public function image() {
		if (empty($this->_stub['image-src'])) {
			return '';
		}
		$thumb = $this->_stub['image-src'];

		$count = count($this->_match);
		for ($i = 1; $i <= $count; $i++) {
			$thumb = str_ireplace('$' . $i, $this->_match[$i - 1], $thumb);
		}

		return $thumb;
	}