For best outputs:

Sampler: DPM++ SDE.

Steps: 20, cfg around 5.5 ~ 7, CLIP skip 1.

VAE: sdxl_vae.safetensors

Pos prompt: this is a Versatile type of model, able to go from a very decent photo realism to a quite nice anime, passing by semi-realism, 3D, Disney, ect, also able of many art styles and forms. Just put in your pos what style you want. For example, to create anime, "(anime style), 2D, plain colors, japanese animation, 1 girl, big smile, mountains, forest, standing, waving".

Neg prompt: you can leave it in blank. By default, the model is set to some sort of basic realism, but with the neg you can make it understand what you want. For example, to create anime, "realistic, real life, lifelike, photo".