Jian Guo (breathing2004 on Deviant Art) is an artist/illustrator based in Shanghai, China. His fantasy illustrations look like the stained glass windows of a medieval cathedral, and tell familiar tales from the Lord of the Rings, World of Warcraft and the Avengers. Check out his portfolio to see more of his work, including some traditional style paintings and illustrations.
Patrick Vale is an artist and illustrator based at Big Orange Studio in London, UK. He uses various pens to create his drawings, which gives his pieces a nice pop. If you like, you can get a few of his prints at Big Cartel.
Also, enjoy this video of Patrick's Empire State of Pen:
If you haven't seen the Avengers movie, stop what you are doing right now and go see it. If you have seen it, then go ahead and enjoy these tributes to The Avengers that were showcased at Gallery 1988. If you are lucky you might find a piece that you like for sale.