If photography isn't your thing, don't worry. Painter X3 has you covered there, too. You can of course create traditional art from a blank, digital canvas. The cool think here is that Painter X3 can actually mimic traditional media. With it oils look and behave like oils, water colors like water colors, pastels or chalk like pastels or chalk, etc. The effects are pretty cool to watch and work with; but you'll need to see and experience that for yourself.
If you're new to art as well, don't worry. PX3 has you covered as well. It has tools that are easy to use and understand. It even has a training app called Painter Lite that can teach you to master the basics. You'll be creating cool pictures in no time.