They're not supported lol. I'm not an expert but since you didn't get any good answers: I believe they are using QLora fine-tunes of SD 1.5 and ControlNet. You can stack multiple QLoras together, like one for art style and one for a specific celebrity. Post-processing includes AfterDetailer. https://twitter.com/SwiftOnSecurity/status/16726420878108917... (not porn)
I believe the most popular UI is Automatic1111, but ComfyUI is good too.
I believe the most popular UI is Automatic1111, but ComfyUI is good too.