Download Alci's IMG Editor 1.5 and extract it somewhere.
Run it and then open gta3.img file which is in your Gta SanAndreas/models folder, open it in Alci's IMG Editor.
Now Import both of these files and your done, save it and close Alci's IMG Editor, and enjoy your game.
Ex-Army Member, Ex-Swat Warrant Officer 1, Ex-Pagati Member
If you need any kind of help with modifications or related issues with the Game, PM me Currently inactive in-game due to Study schedule, if you need me, you should PM me on forums.