Greg, also shared this image where he details how he created this award-winning artwork. Warning: huge 2M file!
His words: "PhotoSculpt Textures is an exciting piece of software to use, especially as it grows and matures. While it does take a little more effort and practice (shooting 2 photos at 10 or so degrees apart) than other similar software, I think the extra efforts are worth the results!" Greg Copin, 3D Artist and Photographer at Ignertia (ignertia.com), USA