This is 100% truth in advertising: [video=youtube;q-RLqLx1iYI]http://www.youtube.com/watch?feature=player_embedded&v=q-RLqLx1iYI[/video]
I'm thinking you are right. The older lady appears to be legit. The babe appears to "sell" them because she is in the commercial.
A lot of the people in the market for a mobile home have never seen a woman like that in person. Heck, I'd go down there and walk through a few of them with her if it wasn't too far out of the way.
A&E tried at one time several years ago to make a TV show out of it. I saw 2 episodes of it, it was OK.