public function populateItemTemplate(&$item)
{
$media = $item->children('http://search.yahoo.com/mrss/');
if ($media->group->thumbnail) {
$attrs = $media->group->thumbnail[0]->attributes();
$title = (string) $media->group->title;
$description = (string) $media->group->description;
$url_attrs = $media->group->player->attributes();
$url = $url_attrs['url'];
}
return parent::populateItemTemplate($item) + array('image' => $attrs ? $attrs['url'] : '', 'size' => $item->size);
}