YAY! I sunk my game! .. wait wut ?

[plj]

Originally Posted by Rongel

Okay, here is a test version of the my bullet hit-effect, it removes the debris-effect created by FX update and reduces crashing in battles. So if you have time, go ahead and test it and comment it, and I'll tweak it and later put the final version out. There is a custom mission inside the mod, where you can easily see it in action!

Download: http://www.mediafire.com/?4bqb8qbj3zd84p8

It looks something like this:
<snip>

I'm away for the weekend so I'll return to this next week!

How does this work ? It's a file currently not in the library in my game .. ? How does this replace anything ? (Trying to understand something I currently dont get :p)