The largest site and most comprehensive tutorials on Adobe Atmosphere lighting and audio. Many 3D demo environments and graphic examples and some Atmosphere JavaScript examples.

This tutorial demonstrates creating a realistic water surface with caustic lighting effects.

Although this tutorial on lighting was written for trueSpace the information can be used in any 3D program.

We add a simple light to create shading and shadows, and surprisingly enough, smooth curving surfaces as well. (3D Animation Workshop)