https://civitai.com/models/85760/asa-yohoki-style-lora-or-ponyxl-sd-15

Based on the works of Asa Yohoki

0.9-1.0 weigth is fine for Pony

0.7-0.8 weight is fine for SD

strongly advise to add "tail, tentacles" to negs unless you really want to see it.