Low Quality: “low quality,” “blurry,” “low res,” “jpeg artifacts,” “grainy”
Unwanted Elements: “text,” “logo,” “watermark,” “banner,” “signature”
Composition Issues: “cropped,” “out of frame,” “out of focus”
Artistic Issues: “bad anatomy,” “bad proportions,” “deformed,” “disfigured,” “extra limbs,” “mutated,” “poorly drawn hands,” “poorly drawn face”
Specific to Abstract Art:
Overly Realistic Elements: “realistic,” “photorealistic,” “detailed face,” “detailed hands”
Unwanted Styles: “cartoon,” “anime,” “comic style,” “black and white”
Unwanted Effects: “overexposed,” “underexposed,” “low contrast,” “high contrast”
Unwanted Themes: “landscape,” “portrait,” “still life,” “realism”