Dont forget about the camera light (my favorite)!

script:var dir = moi.view.lightDirection; if ( dir.x == 1 && dir.y == 1 && dir.z == -1 ) { dir.set(0,1,0); } else { dir.set(1,1,-1); } moi.view.lightDirection = dir;

http://moi3d.com/forum/index.php?webtag=MOI&msg=1954.7