public function delete(sfImagePoolCrop $crop = null)
 {
     parent::delete($crop);
     // Then deal with stuff on the edge - delete crop from edge
     if ($crop) {
         $resizer_options = array('width' => $crop->width, 'height' => $crop->height, 'scale' => !$crop->is_crop);
         $object_name = $this->getCloudName($resizer_options);
         try {
             $this->container->delete_object($object_name);
         } catch (NoSuchObjectException $e) {
             // Image already deleted from cloud - that's ok
         }
     }
 }