Make sketches from your favorite photographs.
Here is a really neat program that will allow you to make a nice sketch of your favorite photograph. The program simulateboth color and B&W in pencil and a watercolor effect. 

The program is called AKVIS Sketch.  AKVIS makes many other programs and plug-ins that are fantastic.

See the photos below for a before and after action.

Normal Photograph of Crystal Mill, Colorado (image by William Roberts)

Image after applying AKVIS Sketch program.

Check out AKVIS for yourself. There are many adjustments and many options with this program.

AKVIS and AKVIS Sketch are trademarks of AKVIS and are only used in this example to highlight their products.