Mine

    $this->setWidget('pic', new sfWidgetFormInputFileEditable(array(        'label'     => 'Picture',        'file_src'  => $filePath,        'is_image'  => true,        'edit_mode' => ($this->getObject()->getPic() AND !$this->getObject()->isNew() ? true: false),        'template'  => '<table><tr>          <td>            %input% <br /> %delete% delete file          </td>          <td>            <a rel="extraPics" title="'.$this->getObject()->getName().'" href="'.$filePath.'" target="_blank"><img            src="'.thumbnail_path($filePath, 50, 50, 'good').'" /></a>          </tr>          </table>',    )));