This is a small line and color job done on the computer. I first created my drawing using Adobe Illustrator, then copied it into Photoshop to put some basic paint onto it.
For more information about this process, see my previous posts here:
http://danidraws.com/2006/12/13/video-notes-bake-sale-brush-tool/
http://danidraws.com/2007/01/08/creating-line-drawings-in-adobe-illustrator/