Try size: 768 x 1024 (SD1.5) / 1024 x 1024 (Pony)
Weights: 0.8~1
Clip skip: 2
Training material from bing
Pictures from CalicoMix V8.5 and CalicoMixPonyXL_v10
Note: It is not recommended to use SD1.5 version because the error rate is high. The Pony version is easier to use and has higher accuracy in all aspects.
Reference video: