Unappealing colors, gloomy atmosphere, unnatural proportions, distorted features, blurry, low-quality image, poor lighting, pixelated, unpleasant expression, unnatural pose, unrelated objects, messy composition, low-resolution, inappropriate content, bad perspective, unrealistic size, unattractive, unappealing, scary, disturbing, offensive text, offensive symbols, offensive imagery, controversial content, negative connotations, inappropriate branding, unprofessional appearance.