I think Tuckersmom has a good point. The crop would definately be more effective had it been showing her hand and feet. While it seems like such a small detail, it seems to have a major effect on the overall appearance of the photo.
The lighting seems quite harsh, which I'm surprised no one mentioned already. Her legs and hair are blown out and quite bright, while her face is in shadows. I wonder if the only way to 'fix' this would be to retake the shot at a different time of day. I realize that this exact shot only comes once in a lifetime, but I'm sure you could have gotten different shots that were equally as cute as this, and have had better lighting to work with. Just takes time and lots of shooting.
I like the angle you chose for the shot. The diagonals are appealing and well placed within the photo. I like how the diagonals are lower in the photo to the bottom left corner and not dead center in the photo.
Focus seems a bit soft to me. I'm wondering if a faster shutter speed is possible, or even available.
As far as 'extreme' action, I don't think it seems extreme to me, she actually seems to just be kind of floating on air, but with her hair blowing around, it does show action.
Overall a cute photo, definately one to keep. ~Heather~