“This video tutorial is created by Noesis Interative, based on San Francisco Bay Area and works to expand knowledge and creativity among Video Gamers around the world. This tutorial from Noesis Interactive shows you to take your 3D model from Maya and turn it into an active video game prop. Learn the processes of exporting, compiling, and integrating your prop into a level and then watch as it is used in Half-Life 2. A must have for anybody who wants to see their own creations as video game elements.”
http://www.cgarena.com/freestuff/tutorials/maya/noesis_maya/custom_props.html