Lots of people want to know the "secrets" of photography. They think that there are things that are some kind of professional trade secrets that we photographers use to make great pictures, and you know what? They are right.
The truth is that there are a few very basic things that any good photographer does to make their pictures better. The most simple and powerful of these is composition.
Actively deciding on what you want in the frame and where to put it is fundamental to making pictures and having a few simple concepts to tell you where those items go can be a huge advantage. Have you noticed that most people who are taking pictures just put the subject in the center of the frame and snap the shutter? For some photos that can be a great way to get good drama, but sadly, for most pictures, it's nothing but boring! Here are a few things to think about when you are trying to make more interesting pictures. The first part is "Get the subject out of the center of the frame!"
The best place to start is with a simple idea called the "Rule of Thirds." Simply stated it suggests that you break the frame into thirds on both the horizontal and vertical axis. It would make the frame look like this: