Thanks, I'll give it a try.
EDIT: I'll add a step-by-step commentary on what I do.
EDIT 2: Well, It compiled, but it won't load, because , even though it's in the right directory, it says SRB2.SRB\SRB2.WAD not found!
But it SHOULD be looking for my custom WAD, not SRB2.SRB!
EDIT 3: And what's...