When taking silhouette photographs it can add glamour and intensity. It can add excitement and drama into a regular photograph. When you take silhouette’s the background must be free of distractions. A lower angle is best when shooting close objects like flowers or kids. You can use something else in the picture to compliment the main subject. When shooting for a silhouette always expose for the background. Sometimes with automatic cameras it will overexpose the background too much for a silhouette.