Looks like Imageshack left the backdoor of their server open. All images hosted by them are showing the hacked image, but the wording seems to indicate that no pictures were deleted.
Imageshack, one of the web's largest image hosts, was attacked tonight by a movement called "Anti-Sec". The result of the attack has been toreplace all ImageShack hosted images with a manifesto for the movement (below).
Still breaking, see more plus the hacked image at Mashable.