http://www.mayavase.com/. Justin has been leading the Iconography Workshop at the Austin Maya Meetings for 26 years and he will do so once again in 2009. His classes are always animated, with lively discussions about glyphs and iconography.
Here is an excerpt from an article about Justin and Barbara that first appeared in Archaeology Magazine, Volume 56, no. 6, Nov/Dec 2006 by Tom Gidwitz "Picture Perfect: How an ingenious former fashion photographer managed to capture on film the mind and spirit of the ancient Maya"
Video on how to do rollouts http://www.mesoweb.com/features/Rollout/index.html