low quality 
disfigured bad
gross disgusting
mutation ugly
morbid mutated
deformed
mutilated
mangied poorly
drawn face extra
limb missing limb
floating limb
diconnecting
limbs malformed
limbs
oversaturated
duplicate bodies
cloned faces
lov-red blurry
blur out of focus
out od frame
axtra missing
unaligned verticals, poorly drawn, poor textures, ruined, garbage, artifacts