(click to embiggen!)
The artwork is by Chris Bishop and you can find more of his work for viewing and for purchase at www.chrisbishop.com
My favorite here is probably Daenerys, with a special mention to Hodor as well. I'm slightly disappointed there is no card featuring Catelyn Stark. Perhaps one that said "It's a nice day for a RED WEDDING!" Maybe that's just my sick sense of humor.