Thanks, good idea. This is what I ended up using...
HTML Code:
<if condition="!is_member_of($post['usergroupid'], array(5,6)) AND can_moderate($forum['forumid'], '', $bbuserinfo['userid'])">
<tr><td class="vbmenu_option"><span onmouseover="this.style.cursor='hand';" onClick="window.open('modcp/user.php?do=editsig&userid=$post[userid]','edit','width=500,height=350,scrollbars=yes')"><b>Edit $post[username]'s Signature</b></span></td></tr>
<tr><td class="vbmenu_option"><span onmouseover="this.style.cursor='hand';" onClick="window.open('modcp/user.php?do=avatar&userid=$post[userid]','edit','width=500,height=350,scrollbars=yes')"><b>Edit $post[username]'s Avatar</b></span></td></tr>
<tr><td class="vbmenu_option"><span onmouseover="this.style.cursor='hand';" onClick="window.open('modcp/user.php?do=profilepic&userid=$post[userid]','edit','width=500,height=350,scrollbars=yes')"><b>Edit $post[username]'s Profile Picture</b></span></td></tr>
</if>