IMG

.IMG (gta3.img) is a file that contains all models in game.In GTA:San Andreas there are many IMG files,one of them contains all about clothing and character model.IMG files contains this content: IMG files can be opened with IMG Tool,and to install almost all mods is needed IMG Tool.
 * Vehicle models (Cars,Boats,Helicopters and Planes)
 * Weapon models
 * Character models (In III and Vice City it contains protagonist Model)
 * Object models (Like bus stop signs)
 * Buildings and Roads