The key to taking good pictures is the photographer, not the camera. Some simple tips to improve photos include following the rule of thirds when composing shots, capturing images from different angles and heights, paying attention to details like backgrounds, and framing the subject. Photographers should also get close to their subjects to fill the frame, be aware of backgrounds, and consider how empty space can tell a story. Flash use depends on lighting conditions, and action shots require understanding the camera's capture speed, while resolution depends on pixel count and intended use.