Re Do

 A few months back I bought a few canvases and painted them. I liked them ok but didn't love them. Not wanting to buy another canvas I figured I would paint over one of them and start from scratch. This is what I came up with in a rare moment of craftiness.

 I don't know much about using acrylic paints. Do you? I don't like the finish they give off when all is done. It always looks really flat and cheap. Maybe it's just my painting skills but is there a way to give it a more polished look? I don't know if this makes sense. Someone help me!