if it is the one for nuke 6.0 change line 40 to
Code:
$content .= "&&<a href=\"modules.php?name=Forums&file=profile&mode=viewprofile&u=$uid\"><img alt src=\"modules/Forums/images/avatars/$user_avatar\" border=\"0\" width=\"32\"></a></td>";
correction .. ignore that as the forum tends to mess the code, instead edit the line, change
to