For you, my chubby lower friends. Use str 0.7-1 for most plumpy results.
Lora applyes chubby body to a girls with minimal affect on scene (as my little tests show).
1500 images with different poses descriptive captions and 512res 10000 steps AdamW 0.0005 LR in ai toolkit.

Satisfyed with result, hope you wil too.

Works with Z-imate TURBO too!!!

All my examples has workflow included in ComfyUI