1. Physical

Mary Jane is a supermodel-class beauty on her own, but maybe that's not enough for you? Here you can make any kind of change to her body to suit your desires.

You give her huge breasts, or make her flat chested if you're into that. You can make her Amazonian tall or turn her into a short stack. You can even make her non-humanoid. Of course the more drastic the change the more it will cost you.