“This video tutorial is created by artist Mahmoud Keshta in 3ds max by using Mental Ray. In this 12 minutes video tutorial (without sound) will explain you how to use Sunlight, Skylight in the daylight interior scene and render through mental ray. After rendering in 3ds max, Mahmoud wll show you the color correction in Photoshop.”
http://www.cgarena.com/freestuff/tutorials/max/interiorlighting_video/index.html