http://www.graphic-design.com/Photoshop/pencil_sketch/index.html

About 1/2-way down the page, look for this text:

=============
Also see:

Tim Shelbourne's Watercolor Effects from the Photoshop Photo Effects Cookbook - 61 Easy-to-Follow Recipes for Digital Photographers, Designers, and Artists (Download: 15 MB PDF Format)
=============

Click the link to download the tutorial. This one looks pretty good, too.

Yes, Danny, it does look good. I've downloaded all 3 PDFs to my desktop. Thanks! :)

A very interesting tutorial. I made a stab at applying it, but I only have pse3 and a mouse. Couldn't find the pattern he used, but I think the finished result after 30 minutes looks encouraging.
Alan