That picture is by an artist known as Space Coyote. Those pictures (Theres a futurama one too) actually landed the artist a job publishing their own first fully fledged manga, because thy got Digged to oblivion and beyond.
Its just a shame that those two pics are now everywhere but nbody knows who actualyl drew them.
This comic is by the same artist:
Its fantastic, but sadly was put on indefinite hold once the artist got the job offer.