I've browsed the thumbnails a few times this week and this one just keeps grabbing my attention.
While I really wish you'd managed to get the standing foot in the frame, and maybe even something sharp, and a less busy background, the fun and energy in this shot just keeps putting a smile on my face.
A good fun shot and title to suit. A boost in contrast and saturation may have made this a stronger looking image. Overall composition actually isn't too bad even though you've chopped away at the edges of everything. You have a plain background and space around your model and the ball and that makes it good. The blurred motion is good too.
Lovely feel to this - The more i look the more i like - I am normally not a fan of shots of kids as they tend to look like family snaps but this one has a much more creative feel to it - Well done - You have got a great shot.