Sounds, guns, missiles have been improved in the new version. The texture has been improved! This script will add (or at least try) jet sound, guns, missiles. Wings/flaps/motion transmission and high speed jets in GTA IV, TBoGT and TLaD
Mod works on GTA IV with patch 1.0.7.0, tested in EFLC and TLaD also tested by other people in 1.0.4.0.
Maybe it works in MP with rocket lock, I did the programation but I don't have a way to test it right now
The Readme has a lot of information about what and where to throw.