Help with Mod Files

So there are 3 file types
Rez
LTB
DTX

Now i know how to use Rez files
you just copy and replace them with the orignals in the Game folder

But how do i insert the other 2 types?

I tried Modomatic but the effects did not show in my game...?

Please help me someone

Sorry for begging..<>...<>...<><><>

TUTORIAL! http://www.mpgh.net/forum/210-combat...-tutorial.html

/READ WHOLE THING

Like he said ^.^