Blur, smudge, distortion, noise, artifacts, pixelation, low resolution, poor quality, overexposure, underexposure, washed-out colors, dull tones, muted hues, flat lighting, excessive shadows, blown highlights, incorrect white balance, color banding, chromatic aberration, lens flare, motion blur, lens distortion, vignetting, incorrect perspective, jagged edges, aliasing, compression artifacts, artifacts, moiré patterns, uneven sharpness, poor contrast, lack of detail, lack of definition, poor composition, distracting elements, cluttered background, distracting background objects, intrusive watermarks, visible signatures, text overlays, incorrect cropping, improper framing, unflattering angles, awkward poses, unnatural gestures, stiff hand positions, unrealistic hand anatomy, distorted hand proportions, lack of hand detail, lack of finger articulation, incorrect finger placement, poorly rendered hands, inconsistent hand textures, unnatural hand shading, unrealistic shadows, lack of depth