Try size: 768 x 1024 or above
Weights: 0.9~1.0 (Adjust it according to the basic model you use)
Clip skip: 2
Training material from bing
Pictures from CalicoMix Pony XL 1.0
Note: I didn't training any girls, just onibi / will-o'-the-wisps. The difference in prompts: source_anime -> enhance the effect of "girl" // hitodama -> enhance the effect of "onibi". // solid circle eyes -> black cat or large tree or huge monster or other...etc will appear. (Pony)
