Hey Bobgone69!
Thanks for the feedback! I ran a quick comparison of the builds. Curvy, toned and muscular show clearly, while petite and tall change very little on their own, especially on sprites, where the pose skeleton fixes her proportions.
The build is still worth having, though. it's what keeps her body consistent across her sprites, CGs, DM photos and feed posts. Without it, the model would invent a different body type in each picture.
Her hips, backside and pubic hair are drawn at random to fit the build (Reroll draws another combination), because some combinations clash and the model draws them badly. Pubic hair is only added where she's undressed: the nude sprite, CGs, and photos where that area is uncovered.
The mod is written around female characters for now, since every prompt in the game starts with 1girl. I've noted your suggestions and will consider them for future updates.