Tom Patterson is employed by the U.S. National Park Service. He maintains the very informative "Shaded Relief Homepage", a website with "ideas and techniques for presenting 2D and 3D topography on maps".
The two maps below are examples of a new technique for coloring shaded relief proposed by Tom Patterson. They feature shaded relief combined with information extracted from aerial photographs using Photoshop.
"Grand Teton" (section) by T. Patterson.
"Kenai Fjords National Park" (section) by T. Patterson.