public function getThumbnails()
	{
		$thumbs = array();

		foreach ($this->xml->children('media', true)->group->thumbnail as $item)
		{
			$url = (string) $item->attributes()->url;
			$width = (int) $item->attributes()->width;
			$height = (int) $item->attributes()->height;
			$thumbs[$width] = array('url' => $url, 'w' => $width, 'h' => $height);
		}

		return $thumbs;
	}