"Planet Earth" by Anton Balazh, 2009. Source: http://www.123rf.com/photo_8057368_planet-earth-with-translucent-water-of-the-oceans-atmosphere-volumetric-clouds-and-detailed-topograp.html
"Mad Scientist" by Tiago Hoisel, 2010. Source: http://tiagohoisel.cgsociety.org/gallery/866688