bad quality, 
low resolution, 
bad anatomy, 
closed eyes, 
dull, 
boring, 
grainy, 
noise, 
blur, 
signature, 
watermark, 
blurry, 
black and white, 
greyscale, 
unclear, 
poorly drawn, 
poorly painted, 
deformed, 
mutated, blurry, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers