These tools give you the ability to extract and modify the data files and textures so that you can edit them.

The first step in setting up your mods is to download GCFScape and VTFEdit. By modifying the textures you can modify the appearance to something a little more interesting. Have you ever played Team Fortress 2 and found that some of the weapons in the game are a bit boring? They seem cool for a while, but there isn’t a whole lot of personality to them.