Did you download StuffPlug 3.5?

Touchè!
Yes, it is the WLM 8.5 version. @valtron did not upload the WLM 8.1 version yet so you must wait.

FAKE INVITATIONS AND CONTEEEENT STEALEEEER

this Works in msn Messenger 7.5 ?

It is for WLM 8.5.
I think i still have the MSN 7.0/7.5 one, so i will provide you one.