Blurry images, poor lighting conditions, noisy and grainy photos, overexposed or underexposed shots, unnatural colors or color distortion, low-resolution images, obstructed views or objects blocking the subject, out-of-focus shots, unintentional camera shake, distorted perspectives or skewed angles, unwanted reflections or lens flares, overly saturated or washed-out colors, lack of sharpness or detail, visible artifacts from image compression, uneven exposure or shadows in the image