Blurred features, unnatural expressions, disjointed composition, pixelation, lackluster color palette, overexposed lighting, mismatched proportions, artificial filters, uncanny valley effect, rigid hair texture, stiff poses, dull eyes, lack of emotion, uneven skin tones, flat background, generic digital painting, lack of atmosphere, unnatural lighting, poor blending, lifeless brushwork, low-resolution rendering, uninspired composition, lack of depth. poor anatomy, errors, extra limbs, mutation, blurry, low quality, bad anatomy, malformed, missing facial features, poorly drawn faces, extra or missing eyes, consumers service, text, signature, watermark