Curve slider Pony

https://civitai.com/models/736548?modelVersionId=1733377

LORA weight: 0 to 8+

This is a slider, Lora, so you can choose whatever weight you want, so experiment and find what suits you best. A positive weight makes women more curvy. You can use even higher weights such as 8 and above, it all depends on characters and checkpoints.

You can also add curvy figure to your prompt to make it have an even stronger effect.