For best outputs:

Sampler: DPM++ 2M Karras.

Steps: 45, cfg 7.5, CLIP skip 2.

VAE: none required.

Pos prompt: add this to the end of your pos "light particles, masterpiece, best quality, (depth of field hdr 8k 4k wallpaper cinematic angle, cinematic lighting:1.5), (masterpiece, best quality:2.0)". Also, this model tends to create clouds if weird keywords are used. Try to keep your keywords simple and understandable.

Neg prompt: "nsfw, nipples, kneeling lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, artist name".

Checkpoint Merge.