All censorships exist to prevent any one from challenging current conceptions and existing institutions. All progress is initiated by challenging current conceptions, and executed by supplanting existing institutions. Consequently the first condition of progress is the removal of censorships.
-- George Bernard Shaw
With that in mind, and just so we can say we did it, here's a link to the mohammed cartoons. and also the anti-christian cartoons that got Freethinker Magazine charged with blasphemy in the 1880's to put the recent controversy into a sane perspective.