This simple mod is for all racing fans. It creates beautiful dynamic burnout effects in realtime. You can select different effects for different surfaces, and tweak their sizes and other params. Then all it takes is to start burning tires and enjoy the difference.

Tested in GTA IV 1.0.7.0
(but should work in other versions too)

Requirements:
Scripthook
ScripthookDotNet
MemBiter

Installation:

Extract to game folder