Installation:

1)Drag the .txd and .dff files out of the archive straight to your desktop.
2)Open IMG Tool, then go to File-->Open-->C://-->Program Files-->Rockstar Games-->GTA San Andreas-->models-->gta3.img.
3)Replace the original files with the ones in the archive.
4)After the replacement click on:
Commands-->Rebuild Archive and wait for it to load, or else your game will crash for sure.
5)After it's complete, enjoy your new mod. 

:)))