Cropped image, out of frame, draft, distorted shape, blurry details, poor legibility, low-res, inconsistent proportions, unclear propeller blades, mismatched colors, dull appearance, cluttered design, confusing composition, amateurish execution, unrealistic propeller representation, unrecognizable 'D' shape, messy typography, pixelated, distorted colors, unbalanced layout, excessive ornamentation, low-quality rendering, lack of clarity, disjointed elements, unappealing gradients, indistinct propeller blades, unprofessional aesthetics.