diff -u imagecache/imagecache.module imagecache.new/imagecache.module
--- imagecache/imagecache.module	2011-05-16 13:12:33.000000000 -0400
+++ imagecache.new/imagecache.module	2011-06-15 10:34:01.000000000 -0400
@@ -856,6 +856,41 @@
 }
 
 /**
+ *
+ * Determine if the image is animated
+ *
+ * @param
+ *  $filename - name of file to path
+ * @return
+ *  TRUE - if it is animated
+ **/
+function imagecache_is_animated($filename) {
+  $filecontents=file_get_contents($filename);
+
+  $str_loc=0;
+  $count=0;
+  while ($count < 2) # There is no point in continuing after we find a 2nd frame
+  {
+    $where1=strpos($filecontents,"\x00\x21\xF9\x04",$str_loc);
+    if ($where1 === FALSE){
+        break;
+    } else {
+       $str_loc=$where1+1;
+       $where2=strpos($filecontents,"\x00\x2C",$str_loc);
+        if ($where2 === FALSE) {
+          break;
+        } else {
+          if ($where1+8 == $where2) {
+             $count++;
+           }
+           $str_loc=$where2+1;
+        }
+    }
+  }
+  return ($count > 1);
+}
+
+/**
  * Create and image tag for an imagecache derivative
  *
  * @param $presetname
@@ -891,7 +926,13 @@
   }
 
   $attributes = drupal_attributes($attributes);
-  $imagecache_url = imagecache_create_url($presetname, $path, FALSE, $absolute);
+
+  $data = @getimagesize($path);
+  if (isset($data) && is_array($data) && $data['mime'] == 'image/gif') {
+        $animated = imagecache_is_animated($path);
+  }
+
+  $imagecache_url = ($animated) ? '/'.$path : imagecache_create_url($presetname, $path, FALSE, $absolute);
   return '<img src="'. $imagecache_url .'" alt="'. check_plain($alt) .'" title="'. check_plain($title) .'" '. $attributes .' />';
 }