Take your pictures quickly. The longer you hesitate, the better the chance that your subject will move away, break their pose, or become tired and stop smiling. Start taking shots as quickly as you can, and don't worry about getting the camera perfect before the first shot. The faster you shoot and the more photos you take, the better your chances are of getting a good one.
Look for patterns in your subject matter, no matter if they happen to be natural or artificial. Patterns add an appealing aspect to a photograph, particularly if they are repeating patterns. You can play off these patterns to get unusual angles or frame your subject relative to the background.
Focus on a single subject in your photographs. Pictures will work best with a single, clear point of focus. Setting up a composition that involves multiple subjects can be difficult and can result in a disorganized, cluttered frame. Having a single subject also makes setting your zoom and other settings easier.