[TheMilkCarton]

You need to use different variables depending on what template. By the way, I believe "$vbulletin->userinfo" is just the long way of saying $bbuserinfo, but I dunno, maybe you still have to write it out longhand in some templates.

In the postbit, this:

<if condition="is_member_of($vbulletin->userinfo,6)">Group 6<else />Other group</if>

would be this instead

<if condition="is_member_of($post, 6)">Group 6<else />Other group</if>

And to add, memberinfo uses "$userinfo".. It really all just depends on the template.