Want to make your own unofficial expansion to my series? Well, Feel free to use for anything as long as you provide proper credit.

Also You Need :
Crowbar,
Blender,
Blender Source Tools Plugin,
VTF Edit,
VTF Edit Alternate Link,
and Notepad ++

And Also Here Your tutorial (Credit : Deadwater 2nd Channel)
https://www.youtube.com/watch?v=jgQHGhqmZg4&list=PL5LHjOzRo2dv7Btrr4YXn9yR0TkBuLfVO

Have Fun!