This is by far the fruitiest thing I've ever seen on the internet. And it uses flash, so right away it gets even fancier.
http://www.watchmechange.com/ The fun doesn't begin until you dress your man (I suppose the woman is less fun to watch strip, but that's just me) and click "watch me change."
I'm not sure if voyeurism will work for Gap's image. It sure didn't help their masculinity.