Patch file for http://wordpress.org/plugins/dk-new-medias-image-rotator-widget/dk-image-rotator-widget.php. It fixes mixed content warnings in browsers like Firefox. Some minor redundant or non-performant calls have also been removed.

dk-image-rotator-widget.php.patch

Index: dk-image-rotator-widget.php
===================================================================
--- dk-image-rotator-widget.php  (revision 758674)
+++ dk-image-rotator-widget.php	(working copy)
@@ -40,16 +40,13 @@
 			wp_enqueue_script('media-upload');
 			wp_enqueue_script('thickbox');
 		}
-				
+
 		wp_enqueue_script('jquery-ui-sortable');
-		wp_register_script('irw-js', path_join(WP_PLUGIN_URL, basename( dirname( __FILE__ ) ).'/js/main.js'), array('jquery','media-upload','thickbox'));
-		wp_enqueue_script('irw-js');
-		wp_register_script('irw-qtip', path_join(WP_PLUGIN_URL, basename( dirname( __FILE__ ) ).'/js/jquery.qtip.js'), array('jquery','media-upload','thickbox'));
-		wp_enqueue_script('irw-qtip');
+		wp_enqueue_script('irw-js', plugins_url( '', __FILE__ ) . '/js/main.js', array('jquery','media-upload','thickbox'));
+		wp_enqueue_script('irw-qtip', plugins_url( '', __FILE__ ) . '/js/jquery.qtip.js', array('jquery','media-upload','thickbox'));
 
 		// Styles
-		wp_register_style('irw-css', path_join(WP_PLUGIN_URL, basename( dirname( __FILE__ ) ).'/css/main.css'));
-		wp_enqueue_style('irw-css');
+		wp_enqueue_style('irw-css', plugins_url( '', __FILE__ ) .'/css/main.css' );
 	}
 
 	/**
@@ -58,23 +55,23 @@
 	function irw_widget_actions() {
 
 		// Scripts
-		wp_enqueue_script('jquery'); 
-		wp_register_script('jquery-imagesloaded', path_join(WP_PLUGIN_URL, basename(dirname(__FILE__)).'/js/jquery.imagesloaded.js'));
-		wp_enqueue_script('jquery-imagesloaded');
-		wp_register_script('irw-widget', path_join(WP_PLUGIN_URL, basename(dirname(__FILE__)).'/js/dk-image-rotator-widget.js'));
-		wp_enqueue_script('irw-widget');
+		wp_enqueue_style('jquery-imagesloaded', plugins_url( '', __FILE__ ) .'/js/jquery.imagesloaded.js', array( 'jquery' ) );
+		wp_enqueue_style('irw-widget', plugins_url( '', __FILE__ ) . '/js/dk-image-rotator-widget.js');
 
 		// Styles
-		wp_register_style('irw-widget', path_join(WP_PLUGIN_URL, basename(dirname(__FILE__)).'/css/dk-image-rotator-widget.css'));
-		wp_enqueue_style('irw-widget');
+		wp_enqueue_style('irw-widget', plugins_url( '', __FILE__ ) . '/css/dk-image-rotator-widget.css');
 	}
 
+	function irw_widget_init() {
+		register_widget("DK_Image_Rotator_Widget");
+	}
+
 	/**
 	 * Hooks & schizzz
 	 */
 	add_action('admin_enqueue_scripts', 'irw_admin_actions');
 	add_action('wp_enqueue_scripts', 'irw_widget_actions');
-	add_action('widgets_init', create_function('', 'register_widget("DK_Image_Rotator_Widget");'));
+	add_action('widgets_init', 'irw_widget_init' );
 
 	/**
 	 * DK_Image-Rotator-Widget Class
@@ -143,7 +140,15 @@
 
 		function form($instance) {
 
-			$defaults = array( 'irw_images' => '', 'irw_nofollow' => 'false', 'irw_new_window' => 'false' );
+			$defaults = array(
+				'irw_title' => '',
+				'irw_images' => '',
+				'irw_transition' => 'linear',
+				'irw_transition_speed' => 1,
+				'irw_nofollow' => 'false',
+				'irw_new_window' => 'false'
+			);
+
 			$instance = wp_parse_args((array) $instance, $defaults);
 
 			if ($instance) {

thanks! this helped me fix an identical bug with User Access Manager plugin as well as Final Tiles.