Tweaked the colour to make the difference between the legs clearer and hopefully clean up the animation - also removed the background.
Goodlyay - I did submit this twice by mistake due to my browser packing in half way through.
Is he running backwards? Also the head-turn is a bit agressive. For such a little guy, don't be afraid to turn down the framerate or even the frame count to help readability.
This is awesome! For as absolute tiny as it is, who could critique? I am very impressed! Great job!