Erik Gist (E.M. Gist) is a phenomenal painter who has done several Dark Horse covers as well as work on several Forgotten Realms, Ravenloft, and Eberron series of novels, Magic the Gathering, The Phantom, and Kolchak: The Night Stalker. His website is
http://www.erikgist.com and his blog where you can see the progression of this piece from pencils to full painting is at
http://deadoftheday.blogspot.com
Hope you like the piece