Ugly

 Disfigured

 Deformed

 Low quality

 Pixelated

 Blurry

 Grains

 Text

 Watermark

 Signature

 Out of frame

 Disproportioned

 Bad proportions

 Gross proportions

 Bad anatomy

 Duplicate

 Cropped

 Extra hands

 Extra arms

 Extra legs

 Extra heads

 Morbid

 Mutilated

 Charactatures

 Realistic

 Faces

 Bodies

 Blue sky

 Water sources

 Tiling

 Inaccurate trees

 Inaccurate sky

 3D

 Render

 CGI

 Unsmooth

 Unprofessional

 Poor lighting

 Obscure

 Unnatural colors

 Bad contrast

 Overexposed

 Underexposed

 Too bright

 Too dark

 Over saturated

 Under saturated

 Too colorful

 Too dull

 Too busy

 Too simple

 Too plain

 Too complex

 Too chaotic

 Too symmetrical

 Too asymmetrical

 Too abstract

 Too realistic

 Too cartoonish

 Too childish

 Too mature

 Too feminine

 Too masculine

 Too crowded

 Too empty

 Too noisy

 Too quiet

 Too blurry

 Too sharp

 Too grainy

 Too pixelated

 Too dark

 Too light

 Too warm

 Too cool

 Too blue

 Too g