As for using a 3D version of a person in advertising, have you seen this:

http://www.youtube.com/watch?v=TuW7-Hu3qYA

and this:

http://www.youtube.com/watch?v=SxYa4yjp3eU

Somebody owns the rights to the likeness' of these people, but not necessarily the people involved.

You can still "See the join" but I'm sad to say that I don't think that Marilyn Monroe porn film is far off :(