here's the first one created for Colonel Windpipe and his Musical Brigade. which can be found here. http://colonelwindpipe.blogspot.com/
there is also a flickr group as well. http://www.flickr.com/groups/colonelwindpipe/
set up by uberkraaft and Lesley Barnes, colonel Windpipe invites creatives to help build up the members of his magical merry band in the form of a collaborative print/project.