Art Nouveau - Alphonse Mucha style lora for Z-image
Use high res: 832x1216 or 1536x1536
Use strength: 0.7-0.8. but not higher.
Do NOT add: in Art Nouveau style and/or painted by Alphonse Mucha.
If you get a realistic image instead of artistic you might add: "Illustration." to the end of the prompt.