Blurry, poor line art, out of focus, low resolution, distorted proportions, awkward pose, bad shading, over-saturation, pixelated, badly drawn face, poorly detailed, messy, unrealistic, awkward facial expression, unrealistic muscles, poorly defined background, flat, boring, uninspired, poorly executed, bad composition, lack of depth, plain, lacks texture, dull color choice, lack of contrast, low-quality print, low-quality t-shirt material.