This guy has got some inspiring Photoshop skills. Check out some of the before and after shots on his site.
Greg Apodaca's Digital Portfolio
Click here to view my photo album online.
Mostly pictures which will be relevant to friends and family but some good sports shots of snowboarding and mountain biking.
Most Recent Albums:
This is a shot that Rob found.. Just shows what you can do with a Canon 20D and the Canon 10-22mm lens.
http://ericcotter.com/blog/index.php?showimage=114