I seem to be the last to have heard of this, but better late than never!
Jo Walton has declared today International Pixel-Stained Technopeasant Day and issued a call to all writers to give something written away today. This is a bandwagon I can totally get on. Many other fine writers have already gotten on this bandwagon including Gwenda Bond, Justine Larbalestier, Scott Westerfeld, an entire issue of The Electric Velocipede and many more. How could I not want to be in such esteemed company?
So check out THE BIOGRAPHY OF A BOUNCING BOY TERROR, or How Springheel Jack got his Boots. First published in Asimov's Magazine, but now free for all.