Just recently a guy named Paulo from Brazil (http://twitter.com/pauloap) dropped me a line to show me a wallpaper he did featuring a bunch of the DC Comics heroes found on the blog and he did a great job. I definitely thought it was cool enough to share. He did 3 different sizes, check it out -
Click image to enlarge
As a bonus, here is Superman as he appeared (well, minus the Simpson look) in Max Fleischer's amazing Supes cartoons from the 40's. Those animated shorts look so stunning that they still hold up today, they're really beautiful works of art.