http://www.photoshoproadmap.com/Photoshop-blog/2008/01/16/70-horror-blood-and-gore-photoshop-effects-and-brushes/
http://www.portalxd.com/photoshop-convertir-en-t398952.html?s=9d1cbcd067d563865a6afa327309f1d6&amp;
http://www.photoshop-designs.net/2008/09/como-transformar-en-zombie-en-photoshop-a-una-persona/
http://fx.worth1000.com/tutorials/161116/tutorial