Some examples of negative prompts in stable diffusion include words like "ugly," "boring," "bad anatomy," "blurry," "pixelated," "trees," "green," "obscure," "unnatural colors," "poor lighting," "dull," and "unclear."

To create a universal negative prompt, you can use words like disfigured, ugly hands, ugly face, distorted face, ugly eyes, extra hands, extra limbs, ugly, poorly drawn hands, deformed, body out of frame, bad anatomy, cut off, bad art