I have really been enjoying AI technology lately, mainly for seeing how far photo editing has come. I think I may have found a good one! I've been messing around with this one called Undress AI, and their face swap feature is surprisingly impressive:
https://undress.app/face-swap. The AI does a pretty good job of matching the skin tones and lighting, so the results actually look somewhat believable. They have a lot of different modes too and the interface is simple and easy to use. It is fun to see how things turn out.