Yesterday night I finalized the first draft of the PATRIA 3D fire effect.
The new effect is based on a scalable/programmable particle system based on OpenGL with blending and alpha channels.
The effect looks quite promising considering the youth of the solution which still requires a lot of code optimization.
A more detailed example of the fire effect system:
Special thanks to http://nehe.gamedev.net/
Special thanks to M. Shieh