TGA HUD A tutorial on how to add 32-bit tga images to the HUD
Soft Particles A tutorial on how to change the default particle image, to allow a high resolution image loaded from a file
New Video Modes A tutorial on how to add new video modes to, including widescreen modes for the Sony Vaio C1VFK and others
Multiple Particle Effects A tutorial on how to change the way that particles look for different kinds of particles. Overview Part 1 Preparing the ground. Part 2 Our first new particle type. Part 3 Multiple textures. Part 4 Using particles to render beams
Shell Effects A tutorial on how to add some interest to plain old quad damage shells. Additional features
PNG Support A tutorial on how to add support for loading .png files. PNG is a very effective non-lossy compressed format that can give you 32-bit hi-res textures without blowing all your disk-space. This tutorial is for the windows platform. If you know your way round your own platform, it's not difficult to work it for other platforms.