[Avid-L2] How to move only one Layer with PIP or 3Dwarp?

Hi List, I'm trying to something that shoud be easy but it is driving me
crazy.
I need to remove a person from the background of a moving shot. What I've
done is the following, please tell me what am I doing wrong.

On V1 I have moving background
on V2 I have a clean freeze frame with the object removed.

I've dropped an Animatte on V2 and left vissible only the part needed to be
replaced.
on top of that animatte I dropped a PIP and tracked the camera movement, but
when I link the position to the tracker, the PIP moves foreground on V2
(what I want), and Background on V1 (what I don't want).
Is there any option for this in Avid?

By the way I'm on MC 4.0

Thanks in advace,

Agustin Goya
WANCAMP | POST
+54-11-6545-2427
http://www.wancamp.com.ar/
http://www.imdb.com/name/nm2339496/

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