On December 19th, Blockbuster will premiere the first full-length feature film, Jackass 2.5, directly to online audiences on Windows and Mac using Microsoft Silverlight. Jackass 2.5 will be made available for free, for anyone in the US 17 or older, courtesy of Blockbuster at www.blockbuster.jackassworl... beginning December 19th through December 31st, ......