Here's a little guy I made that I was going to use for my game and then decided against it, free to use if anyone has any use for him (more for a modern type game):
(http://i219.photobucket.com/albums/cc184/swick153/Jack.png)
(http://i219.photobucket.com/albums/cc184/swick153/Jack_run.png)
That looks nice, did you use a template for the sprinting?