Need a score or source material to derive from?
Try this search at Flickr:
http://www.flickr.com/creativecommons/by-sa-2.0/tags/sketch/
Lots of sketches and drawings photographed and uploaded at high resolution ready to use. Beware obvious photographs of other people’s sketches, and drawings of photos or cartoon characters, though.
Technorati Tags: [free culture](http://www.technorati.com/tag/free culture)