remove [img] tag with a quote

[Admin]

Not really tested, but give it a try.
In newreply.php, add right after:

    $pagetext = preg_replace("/(\[quote])(.*)(\[\/quote])/si", "", $pagetext);

this:

    $pagetext = preg_replace("#(\[img\])(.*)(\[\/img\])#si", "[url]\\2[/url]", $pagetext);