References: http://bobbie-the-jean.deviantart.com/art/Subsurface-Scattering-Tutorial-153712639 http://www.sxc.hu/photo/1131436 http://mizzd-stock.deviantart.com/art/Classic-Fantasy-Maiden-3-175960961 http://www.java2s.com/Article-Tutorial/Photoshop/Nature/Underwater_2__Drawing_Techniques.htm http://www.digitalartsonline.co.uk/tutorials/index.cfm?featureId=1792
