Bing(必应)的背景图片挺好的,懒得找背景的Dazeng正好用上了,呵呵~~

(.+?)<\/url>/ies",$str,$matches)){
        $imgurl='https://cn.bing.com'.$matches[1];
    }
    if($imgurl){
        header('Content-Type: image/JPEG');
        @ob_end_clean();
        @readfile($imgurl);
        @flush(); @ob_flush();
        exit();
    }else{
        exit('error');
    }
?>

下载源码