I just got through learning a fun Photoshop technique on how to make any photo into a coloring book page. Photoshop is so much fun!  I've included the link if anyone is interested.  The instructions are for Photoshop and there is also a link for Corel Paint Shop Pro in the second paragraph.

http://fototiller.com/blog/2006/06/26/coloring-pages-from-your-photos-3-easy-photoshop-steps/

_____