v1 is an SD 1.5 adjuster/slider model. It's trained only on low angle images from the front.

v2 is an adjuster/slider model that comes in a SDXL and SD 1.5 model variant. It's trained on front, below and from behind images. It was trained before pony and illustrious models existed but seems to work on many mixes if the weight is set high enough (more than 2 on some models)

v3 is trained for z-image turbo. It's an adjuster/slider model with no keyword needed.

v4 is trained for qwen-image-edit-2511. It should handle input images in most styles including anime or furry content. it should also do a better job of drawing buttholes than previous models and also supports images with anal penetration (vaginal penetration not trained). The main activation keywords to use are either "adjust her pussy", "adjust her pussy and anus", or "adjust her pussy, anal"