below it add
case 'nameoffile.php':
$userinfo[activity] = 'uniquename';
break;
still in online.php find
case 'announcement':
if (!$forum[forumid][$userinfo[forumid]] || (!$forum[canview][$userinfo[forumid]] && $hideprivateforums)) {
$userinfo[where] = "Viewing Announcement";
} else {
$userinfo[where] = "Viewing Announcement in Forum <a href='forumdisplay.php?s=$session[sessionhash]&forumid=$userinfo[forumid]'>".$forum[forumid][$userinfo[forumid]]."</a>";
}
break;
below it add
case 'uniquename':
$userinfo[where] = "discription that apears in online.php";
break;
I hope hack writers will do this :) (some already do :))