// image grabber function
function pbt_resize($w,$h,$class='alignleft',$showlink=true) {
	global $more, $post;
	$title = the_title_attribute('echo=0');
	if($showlink) {
		$link = "<a href='".get_permalink()."' title='$title'>";
		$linkend = "</a>";
	} else {
		$link ="";
		$linkend="";
	}
	$more = 1;
	$content = get_the_content();
	$pattern = '/<img[^>]+src[\\s=\'"]';
	$pattern .= '+([^"\'>\\s]+)/is';
	$more = 0;
	if(preg_match($pattern,$content,$match)) {
		$theImage =  "$link<img src=\"$match[1]\" class=\"$class\" alt=\"$title\" width=\"$w\" height=\"$h\" />$linkend\n\n";
		return $theImage;
	}
}