For Z Image lora, use ZIT (Z Image Turbo) for best results, Recommended setups :

Lora strength : 0.8 ~ 1.4 (in some prompt, you can use up to 2.0)

Steps : 15 ~ 25

Cfg : 1 ~ 2

For Qwen Image lora, use Qwen 2512, Recommended setups :

Use 4 steps Lightx2 lora for 2512

Lora strength : 0.8 ~ 1

Steps : 4 ~ 12

Cfg : 1