If you ask for something curvy, most of them are very skinny, but with obviously fake boobs, or it goes straight to Jabba the Hut.
Darn near impossible to get it to produce Plump Mom pics, which is the most realistic set.
Discussion
Goes straight from size 0 to size 25, when most women are in the 8-14 range.
Have you tried SDXL with the Pony Diffusion checkpoint?
😂 Pony, as in My Little Pony?