Try size: 1024 x 1280 or 768 x 1024 (Z-Image Turbo and Flux and Pony) / 512 x 768 (MajicMix)
Weights: 0.3~1.0 (Z-Image Turbo and Flux) / 0.5 (Pony and MajicMix, 0.3~0.7 are within the ideal range)
Sampling steps: 20 (Euler - Beta)
Clip skip: 2 (Pony and MajicMix)
Pictures from Z-Image_Turbo and Flux.1_dev and bd_pony_Real and majicmixRealistic_v6