Only in ./image_caption/contrib: image_caption_filter.css
diff -r -up ./image_caption_orig/contrib/image_caption_filter.module ./image_caption/contrib/image_caption_filter.module
--- ./image_caption_orig/contrib/image_caption_filter.module	2008-11-14 03:23:31.000000000 -0600
+++ ./image_caption/contrib/image_caption_filter.module	2009-05-26 00:13:33.000000000 -0500
@@ -30,7 +30,17 @@ function image_caption_filter_help($path
   return $output;
 } //function image_caption_filter_help
 
-//filter hook implementation
+
+/**
+ * Implementation of hook_init().
+ */
+function image_caption_filter_init() {
+  drupal_add_css(drupal_get_path('module', 'image_caption_filter') . '/image_caption_filter.css');
+}
+
+/**
+ * Implementation of hook_filter().
+ */
 function image_caption_filter_filter($op, $delta = 0, $format = -1, $text = '') {
   switch ($op) {
     case 'list':
@@ -47,12 +57,37 @@ function image_caption_filter_filter($op
       //Look for <img> tags and run the doImgTitles function on the <img> tag
       $text = preg_replace_callback('|(<img.*?>)|s', 'doImgTitles', $text);
       return $text;
+    
+    case "settings":
+      if ($delta == 0) {
+        return _image_caption_settings($format);
+      }
 
     default:
       return $text;
   }
 } //function image_caption_filter_filter
 
+/**
+ * Settings for the image_caption filter.
+ * based on the HTML filter
+ */
+function _image_caption_settings($format) {
+  // print('the format: '. $format);
+  $form['image_caption'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('HTML filter'),
+    '#collapsible' => TRUE,
+  );
+  $form['image_caption']['image_caption_'. $format] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Do not show "Missing ALT text" warning.'),
+    '#default_value' => variable_get('image_caption_'. $format, ''),
+    '#description' => t('Whether to show a prominent warning if ALT text is missing from an image.'),
+  );
+  return $form;
+}
+
 
 //helper function to do the actual manipulation
 function doImgTitles($matches) {
@@ -69,15 +104,17 @@ function doImgTitles($matches) {
   //Get class out of the <img> tag
   preg_match ('/class=\"(.+?)\"/i', $imgText, $matches);
   $class = $matches[1];
-
+  
+  
   //See if there is an alt attribute in the <img> tag, if not insert a LOUD warning
   preg_match ('/alt=\"(.+?)\"/i', $imgText, $matches);
   $alt = $matches[1];
-  if (empty($alt)) {
+  if (empty($alt) && variable_get('image_caption_1', 0) != 0) {
     $alt_warning = '<font size="+3" color="pink" style="line-height:1em">No alternate text on picture! - define alternate text in image properties</font>';
   } else {
     $alt_warning = '';
   }
+  // $alt_warning = '';
 
   //Only insert the caption and modify the <img> tag if it is has a title attribute and is one of the classes we are interested in
   if (in_array($class, array('image-left', 'image-right', 'standalone-image')) && ($title)) {