Heres a basic lighting example made with primitives and particles for the newer GM user who cant make good lighting. It has a few scripts that draw a flashlight, shadows, and fires.
<img src="Kaz/pic.gif">*Effects look bad on my computergm6-http://www.64digits.com/users/Kaz/lighting.gm6exe-http://www.64digits.com/users/Kaz/lighting.zip