'#\#is', // images 
'#\Bạn cần [Đăng nhập] để thấy link!#is', // link download

'<img src="$1" border="0" style="max-width: 200px;"></img><br /><small><a href="$1" title="Click to view image" target="_blank">[View Images]</a></small>', //images 
'<img src="'.self::$system_set['homeurl'].'/images/bb/download.gif" border="0"></img><a href="$1" title="Click to download">[Download]</a>',// link download

<a href="java script:tag(\'Bạn cần [Đăng nhập] để thấy link!\', \'\')"><img src="' . self::$system_set['homeurl'] . '/images/bb/download.gif" alt="download" title="' . self::$lng['tag_dl'] . '" border="0"/></a> 
            <a href="java script:tag(\'\', \'\')"><img src="' . self::$system_set['homeurl'] . '/images/bb/im.gif" alt="url" title="' . self::$lng['tag_img'] . '" border="0"/></a>