I need a summer project, ideas?

I'm a recent high school graduate, heading off to University in the fall. Currently I have an internship at a solar company, but when I get home I need something to do. I've already organized my room, I'm scrap booking, beginning a novel, and I've even started watching the Tudors. But I need a creative or organizational project. Perhaps something involving photoshop, painting, art. I have lots of hobbies, I just need an idea for a project and I haven't found any inspiration despite my intensive online research. Any ideas? I have lots of interests, and I'm planning on majoring in Business and Psychology. Any ideas to cure my boredom?