There seem to be some other people here talking about butts, but in the interest of fairness since everyone's being so shy, I will post an image.

model: wai-SDXL-14
prompt: 1girl, ass

That's it. Empty negative prompt, nothing else. euler, cfg 6. Genned only 3 and picked the one I liked most. Of course I wouldn't impose such a harsh restriction on NAI, so how about just no artist/style tags and no VT? Let the base model shine through.