Hey,
I had several ideas.
1. you could add pubic hair. (different sizes and colors)
2. you could add different underwear (type and colors)
3. you could add an option to change the scene in the locker.
4. you could add an option where the girls fight back.
5. you could add different types of stockings.
6. you could add an option to put on glasses.
7. you could add a minigame where the girls have to undress/strip.
Greetings Aang