I really love your style of photography! All your photos are great but I'd have to say my favourite is number 3, it just shows so much energy. I think you're off to a great start. What kind of camera did you use?
My digital camera I use is only 5 megapixels but the photos turn out pretty well (well I'd hope so since the camera cost a bit). An 8 megapixel camera would be fantastic! You're really lucky!