Vurdlak on the Mighty Optical Illusion blog writes – “This ubercool Illusion of Christopher Walken flying through space is our newest submission. Beleive it or not, this magical “animated” illusion is a composition of only four frames. The second two are just color-inverted originals (with small modification in shiftment from the original). It gives you opinnion Chris is drifting through galaxy, while in fact he’s just leaning milimeter back and fourth for our photo-session” – Link. Looks pretty easy to make your own, but it’s hard to top an intergalactic Walken.
Note: Vurdlak sent in an updated (and correct description).