[MARCO1]

NEW UPDATE

anyway to disallow certain usergroups ??? - like admins etc

YES lasto !

in your attachment.php

search for

PHP Code:

   if ( !$vbulletin->db->query_first ( "SELECT postid FROM " . TABLE_PREFIX . "post WHERE userid='".$vbulletin->userinfo[userid]."'  AND threadid=$threadinfo[threadid]" ) ) : 


and in ( post WHERE userid='" )
write your usergroup this will be have permission to see attachments without reply the thread

example :

PHP Code:

post WHERE userid='2,3,4,5,6"