diff --git a/modules/mod_breadcrumbs/mod_breadcrumbs.xml b/modules/mod_breadcrumbs/mod_breadcrumbs.xml
index 3842123647482..6333c1a0ffcbd 100644
--- a/modules/mod_breadcrumbs/mod_breadcrumbs.xml
+++ b/modules/mod_breadcrumbs/mod_breadcrumbs.xml
@@ -29,6 +29,7 @@
 					description="MOD_BREADCRUMBS_FIELD_SHOWHERE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -41,6 +42,7 @@
 					description="MOD_BREADCRUMBS_FIELD_SHOWHOME_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -60,6 +62,7 @@
 					label="MOD_BREADCRUMBS_FIELD_SHOWLAST_LABEL"
 					description="MOD_BREADCRUMBS_FIELD_SHOWLAST_DESC"
 					default="1"
+					filter="integer"
 					class="btn-group btn-group-yesno"
 					>
 					<option value="1">JYES</option>
@@ -96,6 +99,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -107,6 +111,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="0"
+					filter="integer"
 				/>
 
 				<field
diff --git a/modules/mod_custom/mod_custom.xml b/modules/mod_custom/mod_custom.xml
index c67026ccabcbe..af6080dfe608c 100644
--- a/modules/mod_custom/mod_custom.xml
+++ b/modules/mod_custom/mod_custom.xml
@@ -32,6 +32,7 @@
 					description="MOD_CUSTOM_FIELD_PREPARE_CONTENT_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -66,6 +67,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -77,6 +79,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="900"
+					filter="integer"
 				/>
 
 				<field
diff --git a/modules/mod_feed/mod_feed.xml b/modules/mod_feed/mod_feed.xml
index 0d869d5c42dab..0d0dee1bc154b 100644
--- a/modules/mod_feed/mod_feed.xml
+++ b/modules/mod_feed/mod_feed.xml
@@ -40,6 +40,7 @@
 					description="MOD_FEED_FIELD_RTL_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -52,6 +53,7 @@
 					description="MOD_FEED_FIELD_RSSTITLE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -64,6 +66,7 @@
 					description="MOD_FEED_FIELD_DESCRIPTION_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -76,6 +79,7 @@
 					description="MOD_FEED_FIELD_IMAGE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -83,10 +87,11 @@
 
 				<field
 					name="rssitems"
-					type="text"
+					type="number"
 					label="MOD_FEED_FIELD_ITEMS_LABEL"
 					description="MOD_FEED_FIELD_ITEMS_DESC"
 					default="3"
+					filter="integer"
 				/>
 
 				<field
@@ -96,6 +101,7 @@
 					description="MOD_FEED_FIELD_ITEMDESCRIPTION_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -108,6 +114,7 @@
 					description="MOD_FEED_FIELD_WORDCOUNT_DESC"
 					size="6"
 					default="0"
+					filter="integer"
 				/>
 			</fieldset>
 			<fieldset name="advanced">
@@ -120,7 +127,7 @@
 
 				<field
 					name="moduleclass_sfx"
-					type="textarea" 
+					type="textarea"
 					label="COM_MODULES_FIELD_MODULECLASS_SFX_LABEL"
 					description="COM_MODULES_FIELD_MODULECLASS_SFX_DESC"
 					rows="3"
@@ -132,6 +139,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -143,6 +151,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="900"
+					filter="integer"
 				/>
 			</fieldset>
 		</fields>
diff --git a/modules/mod_feed/tmpl/default.php b/modules/mod_feed/tmpl/default.php
index 7a645b3706c08..079cc54261948 100644
--- a/modules/mod_feed/tmpl/default.php
+++ b/modules/mod_feed/tmpl/default.php
@@ -18,7 +18,7 @@
 else
 {
 	$lang      = JFactory::getLanguage();
-	$myrtl     = $params->get('rssrtl');
+	$myrtl     = $params->get('rssrtl', 0);
 	$direction = ' ';
 
 	$isRtl = $lang->isRtl();
@@ -88,10 +88,10 @@
 	<?php if (!empty($feed))
 	{ ?>
 		<ul class="newsfeed<?php echo $params->get('moduleclass_sfx'); ?>">
-		<?php for ($i = 0, $max = min(count($feed), $params->get('rssitems', 5)); $i < $max; $i++) { ?>
+		<?php for ($i = 0, $max = min(count($feed), $params->get('rssitems', 3)); $i < $max; $i++) { ?>
 			<?php
 				$uri  = $feed[$i]->uri || !$feed[$i]->isPermaLink ? trim($feed[$i]->uri) : trim($feed[$i]->guid);
-				$uri  = !$uri || stripos($uri, 'http') !== 0 ? $params->get('rsslink') : $uri;
+				$uri  = !$uri || stripos($uri, 'http') !== 0 ? $rssurl : $uri;
 				$text = $feed[$i]->content !== '' ? trim($feed[$i]->content) : '';
 			?>
 				<li>
@@ -103,12 +103,12 @@
 						<span class="feed-link"><?php echo trim($feed[$i]->title); ?></span>
 					<?php endif; ?>
 
-					<?php if ($params->get('rssitemdesc') && $text !== '') : ?>
+					<?php if ($params->get('rssitemdesc', 1) && $text !== '') : ?>
 						<div class="feed-item-description">
 						<?php
 							// Strip the images.
 							$text = JFilterOutput::stripImages($text);
-							$text = JHtml::_('string.truncate', $text, $params->get('word_count'));
+							$text = JHtml::_('string.truncate', $text, $params->get('word_count', 0));
 							echo str_replace('&apos;', "'", $text);
 						?>
 						</div>
diff --git a/modules/mod_finder/mod_finder.xml b/modules/mod_finder/mod_finder.xml
index f2e18279e71b0..30e39ec808f1c 100644
--- a/modules/mod_finder/mod_finder.xml
+++ b/modules/mod_finder/mod_finder.xml
@@ -36,6 +36,7 @@
 					label="MOD_FINDER_FIELDSET_BASIC_AUTOSUGGEST_LABEL"
 					description="MOD_FINDER_FIELDSET_BASIC_AUTOSUGGEST_DESCRIPTION"
 					default="1"
+					filter="integer"
 					class="btn-group btn-group-yesno"
 					>
 					<option value="1">JSHOW</option>
@@ -48,6 +49,7 @@
 					label="MOD_FINDER_FIELDSET_BASIC_SHOW_ADVANCED_LABEL"
 					description="MOD_FINDER_FIELDSET_BASIC_SHOW_ADVANCED_DESCRIPTION"
 					default="0"
+					filter="integer"
 					>
 					<option value="2">MOD_FINDER_FIELDSET_BASIC_SHOW_ADVANCED_OPTION_LINK</option>
 					<option value="1">JSHOW</option>
@@ -70,6 +72,7 @@
 					description="MOD_FINDER_FIELDSET_ADVANCED_SHOW_LABEL_DESCRIPTION"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JSHOW</option>
 					<option value="0">JHIDE</option>
@@ -102,6 +105,7 @@
 					description="MOD_FINDER_FIELDSET_ADVANCED_SHOW_BUTTON_DESCRIPTION"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JSHOW</option>
 					<option value="0">JHIDE</option>
@@ -127,6 +131,7 @@
 					description="MOD_FINDER_FIELD_OPENSEARCH_DESCRIPTION"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -145,6 +150,7 @@
 					label="MOD_FINDER_FIELDSET_ADVANCED_SETITEMID_LABEL"
 					description="MOD_FINDER_FIELDSET_ADVANCED_SETITEMID_DESCRIPTION"
 					default="0"
+					filter="integer"
 					>
 					<option value="0">MOD_FINDER_SELECT_MENU_ITEMID</option>
 				</field>
diff --git a/modules/mod_finder/tmpl/default.php b/modules/mod_finder/tmpl/default.php
index b4d09e3f2c319..3d739b4e5d578 100644
--- a/modules/mod_finder/tmpl/default.php
+++ b/modules/mod_finder/tmpl/default.php
@@ -48,7 +48,7 @@
 		break;
 }
 
-if ($params->get('show_button'))
+if ($params->get('show_button', 0))
 {
 	$button = '<button class="btn btn-primary hasTooltip ' . $suffix . ' finder' . $suffix . '" type="submit" title="' . JText::_('MOD_FINDER_SEARCH_BUTTON') . '"><span class="icon-search icon-white"></span>' . JText::_('JSEARCH_FILTER_SUBMIT') . '</button>';
 
@@ -154,7 +154,7 @@
 		echo $output;
 		?>
 
-		<?php $show_advanced = $params->get('show_advanced'); ?>
+		<?php $show_advanced = $params->get('show_advanced', 0); ?>
 		<?php if ($show_advanced == 2) : ?>
 			<br />
 			<a href="<?php echo JRoute::_($route); ?>"><?php echo JText::_('COM_FINDER_ADVANCED_SEARCH'); ?></a>
@@ -163,6 +163,6 @@
 				<?php echo JHtml::_('filter.select', $query, $params); ?>
 			</div>
 		<?php endif; ?>
-		<?php echo modFinderHelper::getGetFields($route, (int) $params->get('set_itemid')); ?>
+		<?php echo modFinderHelper::getGetFields($route, (int) $params->get('set_itemid', 0)); ?>
 	</div>
 </form>
diff --git a/modules/mod_footer/mod_footer.xml b/modules/mod_footer/mod_footer.xml
index 31bb03d07e2b7..123f9ae5feca0 100644
--- a/modules/mod_footer/mod_footer.xml
+++ b/modules/mod_footer/mod_footer.xml
@@ -42,6 +42,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -53,6 +54,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="900"
+					filter="integer"
 				/>
 
 				<field
diff --git a/modules/mod_languages/mod_languages.xml b/modules/mod_languages/mod_languages.xml
index 8e0ca66400ccf..05a691f36f32e 100644
--- a/modules/mod_languages/mod_languages.xml
+++ b/modules/mod_languages/mod_languages.xml
@@ -59,6 +59,7 @@
 					description="MOD_LANGUAGES_FIELD_DROPDOWN_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -71,6 +72,7 @@
 					description="MOD_LANGUAGES_FIELD_DROPDOWN_IMAGE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					showon="dropdown:1"
 					>
 					<option value="1">JYES</option>
@@ -84,6 +86,7 @@
 					description="MOD_LANGUAGES_FIELD_LINEHEIGHT_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					showon="dropdown:1[AND]dropdownimage:1"
 					>
 					<option value="1">JYES</option>
@@ -97,6 +100,7 @@
 					description="MOD_LANGUAGES_FIELD_USEIMAGE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					showon="dropdown:0"
 					>
 					<option value="1">JYES</option>
@@ -118,6 +122,7 @@
 					description="MOD_LANGUAGES_FIELD_ACTIVE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					showon="dropdownimage:1[OR]dropdown:0"
 					>
 					<option value="1">JYES</option>
@@ -130,8 +135,9 @@
 					label="MOD_LANGUAGES_FIELD_FULL_NAME_LABEL"
 					description="MOD_LANGUAGES_FIELD_FULL_NAME_DESC"
 					class="btn-group btn-group-yesno"
-					showon="dropdown:0[AND]image:0"
 					default="1"
+					filter="integer"
+					showon="dropdown:0[AND]image:0"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -144,6 +150,7 @@
 					description="MOD_LANGUAGES_FIELD_INLINE_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					showon="dropdown:0"
 					>
 					<option value="1">JYES</option>
@@ -160,9 +167,10 @@
 
 				<field
 					name="moduleclass_sfx"
-					type="textarea" rows="3"
+					type="textarea"
 					label="COM_MODULES_FIELD_MODULECLASS_SFX_LABEL"
 					description="COM_MODULES_FIELD_MODULECLASS_SFX_DESC"
+					rows="3"
 				/>
 
 				<field
@@ -171,6 +179,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="MOD_LANGUAGES_FIELD_CACHING_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -182,6 +191,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="900"
+					filter="integer"
 				/>
 
 				<field
diff --git a/modules/mod_languages/tmpl/default.php b/modules/mod_languages/tmpl/default.php
index e3e38ed88c052..033a39cc20f1e 100644
--- a/modules/mod_languages/tmpl/default.php
+++ b/modules/mod_languages/tmpl/default.php
@@ -11,7 +11,7 @@
 
 JHtml::_('stylesheet', 'mod_languages/template.css', array('version' => 'auto', 'relative' => true));
 
-if ($params->get('dropdown', 1) && !$params->get('dropdownimage', 0))
+if ($params->get('dropdown', 0) && !$params->get('dropdownimage', 1))
 {
 	JHtml::_('formbehavior.chosen');
 }
@@ -21,7 +21,7 @@
 	<div class="pretext"><p><?php echo $headerText; ?></p></div>
 <?php endif; ?>
 
-<?php if ($params->get('dropdown', 1) && !$params->get('dropdownimage', 0)) : ?>
+<?php if ($params->get('dropdown', 0) && !$params->get('dropdownimage', 1)) : ?>
 	<form name="lang" method="post" action="<?php echo htmlspecialchars(JUri::current(), ENT_COMPAT, 'UTF-8'); ?>">
 	<select class="inputbox advancedSelect" onchange="document.location.replace(this.value);" >
 	<?php foreach ($list as $language) : ?>
@@ -30,7 +30,7 @@
 	<?php endforeach; ?>
 	</select>
 	</form>
-<?php elseif ($params->get('dropdown', 1) && $params->get('dropdownimage', 0)) : ?>
+<?php elseif ($params->get('dropdown', 0) && $params->get('dropdownimage', 1)) : ?>
 	<div class="btn-group">
 		<?php foreach ($list as $language) : ?>
 			<?php if ($language->active) : ?>
@@ -43,9 +43,9 @@
 				</a>
 			<?php endif; ?>
 		<?php endforeach; ?>
-		<ul class="<?php echo $params->get('lineheight', 1) ? 'lang-block' : 'lang-inline'; ?> dropdown-menu" dir="<?php echo JFactory::getLanguage()->isRtl() ? 'rtl' : 'ltr'; ?>">
+		<ul class="<?php echo $params->get('lineheight', 0) ? 'lang-block' : 'lang-inline'; ?> dropdown-menu" dir="<?php echo JFactory::getLanguage()->isRtl() ? 'rtl' : 'ltr'; ?>">
 		<?php foreach ($list as $language) : ?>
-			<?php if (!$language->active || $params->get('show_active', 0)) : ?>
+			<?php if (!$language->active || $params->get('show_active', 1)) : ?>
 				<li<?php echo $language->active ? ' class="lang-active"' : ''; ?>>
 				<a href="<?php echo $language->link; ?>">
 					<?php if ($language->image) : ?>
@@ -61,7 +61,7 @@
 <?php else : ?>
 	<ul class="<?php echo $params->get('inline', 1) ? 'lang-inline' : 'lang-block'; ?>">
 	<?php foreach ($list as $language) : ?>
-		<?php if (!$language->active || $params->get('show_active', 0)) : ?>
+		<?php if (!$language->active || $params->get('show_active', 1)) : ?>
 			<li<?php echo $language->active ? ' class="lang-active"' : ''; ?> dir="<?php echo $language->rtl ? 'rtl' : 'ltr'; ?>">
 			<a href="<?php echo $language->link; ?>">
 			<?php if ($params->get('image', 1)) : ?>
diff --git a/modules/mod_login/mod_login.xml b/modules/mod_login/mod_login.xml
index 50d621b96bc14..d9f175e8c9620 100644
--- a/modules/mod_login/mod_login.xml
+++ b/modules/mod_login/mod_login.xml
@@ -79,6 +79,7 @@
 					description="MOD_LOGIN_FIELD_GREETING_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -90,12 +91,13 @@
 					label="MOD_LOGIN_FIELD_NAME_LABEL"
 					description="MOD_LOGIN_FIELD_NAME_DESC"
 					default="0"
+					filter="integer"
 					showon="greeting:1"
 					>
 					<option value="0">MOD_LOGIN_VALUE_NAME</option>
 					<option value="1">MOD_LOGIN_VALUE_USERNAME</option>
 				</field>
-				
+
 				<field
 					name="profilelink"
 					type="radio"
@@ -103,6 +105,7 @@
 					description="MOD_LOGIN_FIELD_PROFILE_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -115,6 +118,7 @@
 					description="MOD_LOGIN_FIELD_USESECURE_DESC"
 					class="btn-group btn-group-yesno"
 					default="0"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -126,6 +130,7 @@
 					label="MOD_LOGIN_FIELD_USETEXT_LABEL"
 					description="MOD_LOGIN_FIELD_USETEXT_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="0">MOD_LOGIN_VALUE_ICONS</option>
 					<option value="1">MOD_LOGIN_VALUE_TEXT</option>
@@ -154,6 +159,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
 				</field>
diff --git a/modules/mod_login/tmpl/default.php b/modules/mod_login/tmpl/default.php
index de6d78bd50087..ac8beeba01723 100644
--- a/modules/mod_login/tmpl/default.php
+++ b/modules/mod_login/tmpl/default.php
@@ -15,7 +15,7 @@
 JHtml::_('bootstrap.tooltip');
 
 ?>
-<form action="<?php echo JRoute::_('index.php', true, $params->get('usesecure')); ?>" method="post" id="login-form" class="form-inline">
+<form action="<?php echo JRoute::_('index.php', true, $params->get('usesecure', 0)); ?>" method="post" id="login-form" class="form-inline">
 	<?php if ($params->get('pretext')) : ?>
 		<div class="pretext">
 			<p><?php echo $params->get('pretext'); ?></p>
@@ -24,7 +24,7 @@
 	<div class="userdata">
 		<div id="form-login-username" class="control-group">
 			<div class="controls">
-				<?php if (!$params->get('usetext')) : ?>
+				<?php if (!$params->get('usetext', 0)) : ?>
 					<div class="input-prepend">
 						<span class="add-on">
 							<span class="icon-user hasTooltip" title="<?php echo JText::_('MOD_LOGIN_VALUE_USERNAME'); ?>"></span>
@@ -40,7 +40,7 @@
 		</div>
 		<div id="form-login-password" class="control-group">
 			<div class="controls">
-				<?php if (!$params->get('usetext')) : ?>
+				<?php if (!$params->get('usetext', 0)) : ?>
 					<div class="input-prepend">
 						<span class="add-on">
 							<span class="icon-lock hasTooltip" title="<?php echo JText::_('JGLOBAL_PASSWORD'); ?>">
@@ -59,7 +59,7 @@
 		<?php if (count($twofactormethods) > 1) : ?>
 		<div id="form-login-secretkey" class="control-group">
 			<div class="controls">
-				<?php if (!$params->get('usetext')) : ?>
+				<?php if (!$params->get('usetext', 0)) : ?>
 					<div class="input-prepend input-append">
 						<span class="add-on">
 							<span class="icon-star hasTooltip" title="<?php echo JText::_('JGLOBAL_SECRETKEY'); ?>">
diff --git a/modules/mod_login/tmpl/default_logout.php b/modules/mod_login/tmpl/default_logout.php
index b538a6786ff3a..ce845f6497b87 100644
--- a/modules/mod_login/tmpl/default_logout.php
+++ b/modules/mod_login/tmpl/default_logout.php
@@ -11,17 +11,17 @@
 
 JHtml::_('behavior.keepalive');
 ?>
-<form action="<?php echo JRoute::_('index.php', true, $params->get('usesecure')); ?>" method="post" id="login-form" class="form-vertical">
-<?php if ($params->get('greeting')) : ?>
+<form action="<?php echo JRoute::_('index.php', true, $params->get('usesecure', 0)); ?>" method="post" id="login-form" class="form-vertical">
+<?php if ($params->get('greeting', 1)) : ?>
 	<div class="login-greeting">
-	<?php if ($params->get('name') == 0) : ?>
+	<?php if (!$params->get('name', 0)) : ?>
 		<?php echo JText::sprintf('MOD_LOGIN_HINAME', htmlspecialchars($user->get('name'), ENT_COMPAT, 'UTF-8')); ?>
 	<?php else : ?>
 		<?php echo JText::sprintf('MOD_LOGIN_HINAME', htmlspecialchars($user->get('username'), ENT_COMPAT, 'UTF-8')); ?>
 	<?php endif; ?>
 	</div>
 <?php endif; ?>
-<?php if ($params->get('profilelink')) : ?>
+<?php if ($params->get('profilelink', 0)) : ?>
 	<ul class="unstyled">
 		<li>
 			<a href="<?php echo JRoute::_('index.php?option=com_users&view=profile'); ?>">
diff --git a/modules/mod_menu/helper.php b/modules/mod_menu/helper.php
index 8dc9ea160ba31..dbc92541688ce 100644
--- a/modules/mod_menu/helper.php
+++ b/modules/mod_menu/helper.php
@@ -45,9 +45,9 @@ public static function getList(&$params)
 		else
 		{
 			$path           = $base->tree;
-			$start          = (int) $params->get('startLevel');
-			$end            = (int) $params->get('endLevel');
-			$showAll        = $params->get('showAllChildren');
+			$start          = (int) $params->get('startLevel', 1);
+			$end            = (int) $params->get('endLevel', 0);
+			$showAll        = $params->get('showAllChildren', 1);
 			$items          = $menu->getItems('menutype', $params->get('menutype'));
 			$hidden_parents = array();
 			$lastitem       = 0;
diff --git a/modules/mod_menu/mod_menu.php b/modules/mod_menu/mod_menu.php
index 7a7df5db920d6..8defd856ea2cf 100644
--- a/modules/mod_menu/mod_menu.php
+++ b/modules/mod_menu/mod_menu.php
@@ -19,7 +19,7 @@
 $active_id  = $active->id;
 $default_id = $default->id;
 $path       = $base->tree;
-$showAll    = $params->get('showAllChildren');
+$showAll    = $params->get('showAllChildren', 1);
 $class_sfx  = htmlspecialchars($params->get('class_sfx'), ENT_COMPAT, 'UTF-8');
 
 if (count($list))
diff --git a/modules/mod_menu/mod_menu.xml b/modules/mod_menu/mod_menu.xml
index 783eed25aa6e9..e7f2860c78ead 100644
--- a/modules/mod_menu/mod_menu.xml
+++ b/modules/mod_menu/mod_menu.xml
@@ -41,6 +41,7 @@
 					new="true"
 					edit="true"
 					clear="true"
+					filter="integer"
 					>
 					<option value="">JCURRENT</option>
 				</field>
@@ -51,6 +52,7 @@
 					label="MOD_MENU_FIELD_STARTLEVEL_LABEL"
 					description="MOD_MENU_FIELD_STARTLEVEL_DESC"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">J1</option>
 					<option value="2">J2</option>
@@ -70,6 +72,7 @@
 					label="MOD_MENU_FIELD_ENDLEVEL_LABEL"
 					description="MOD_MENU_FIELD_ENDLEVEL_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="0">JALL</option>
 					<option value="1">J1</option>
@@ -91,6 +94,7 @@
 					description="MOD_MENU_FIELD_ALLCHILDREN_DESC"
 					class="btn-group btn-group-yesno"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
@@ -140,6 +144,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="1"
+					filter="integer"
 					>
 					<option value="1">JGLOBAL_USE_GLOBAL</option>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
@@ -151,6 +156,7 @@
 					label="COM_MODULES_FIELD_CACHE_TIME_LABEL"
 					description="COM_MODULES_FIELD_CACHE_TIME_DESC"
 					default="900"
+					filter="integer"
 				/>
 
 				<field
diff --git a/modules/mod_random_image/helper.php b/modules/mod_random_image/helper.php
index 188d4db0a3169..849c3006388f1 100644
--- a/modules/mod_random_image/helper.php
+++ b/modules/mod_random_image/helper.php
@@ -28,19 +28,14 @@ class ModRandomImageHelper
 	 */
 	public static function getRandomImage(&$params, $images)
 	{
-		$width  = $params->get('width');
-		$height = $params->get('height');
+		$width  = $params->get('width', 100);
+		$height = $params->get('height', null);
 
 		$i      = count($images);
 		$random = mt_rand(0, $i - 1);
 		$image  = $images[$random];
 		$size   = getimagesize(JPATH_BASE . '/' . $image->folder . '/' . $image->name);
 
-		if ($width == '')
-		{
-			$width = 100;
-		}
-
 		if ($size[0] < $width)
 		{
 			$width = $size[0];
@@ -48,7 +43,7 @@ public static function getRandomImage(&$params, $images)
 
 		$coeff = $size[0] / $size[1];
 
-		if ($height == '')
+		if ($height === null)
 		{
 			$height = (int) ($width / $coeff);
 		}
diff --git a/modules/mod_random_image/mod_random_image.xml b/modules/mod_random_image/mod_random_image.xml
index 7ef5d1302a4ca..5625de9c8eefa 100644
--- a/modules/mod_random_image/mod_random_image.xml
+++ b/modules/mod_random_image/mod_random_image.xml
@@ -49,6 +49,8 @@
 					type="number"
 					label="MOD_RANDOM_IMAGE_FIELD_WIDTH_LABEL"
 					description="MOD_RANDOM_IMAGE_FIELD_WIDTH_DESC"
+					default="100"
+					filter="integer"
 				/>
 
 				<field
@@ -56,6 +58,7 @@
 					type="number"
 					label="MOD_RANDOM_IMAGE_FIELD_HEIGHT_LABEL"
 					description="MOD_RANDOM_IMAGE_FIELD_HEIGHT_DESC"
+					filter="integer"
 				/>
 
 			</fieldset>
@@ -81,6 +84,7 @@
 					label="COM_MODULES_FIELD_CACHING_LABEL"
 					description="COM_MODULES_FIELD_CACHING_DESC"
 					default="0"
+					filter="integer"
 					>
 					<option value="0">COM_MODULES_FIELD_VALUE_NOCACHING</option>
 				</field>