“Get a free look into the inner workings of ICE and production workflow in this video from the “Mastering the Art of ICE Volume I: Breaking the ICE” series. In this video, we will look at working with an ICE Tree and how to tweak and work with the new volume shaders in XSI 7, which can help us to create some amazing looking ICE renders and effects.”
http://www.3dtotal.com/team/Tutorials_3/working_with_ice/ice_01.php