A. Install with modloader.

-Drag&Drop the folder "Beta Stallion", or just take the .dff and .txd and put it in any folder.

B. Install it the old way.


-Replace .dff and .txd in gta3.img
-Replace .txd in txd.img (if your txd.img is empty aka. has 0kb, then you can skip this step)
-Don't forget to rebuild.
-Done.