[Wydraz]

I can deduce how to make a campaign (make a new folder in the Campaigns directory and put your data files there). But how does one make a wholesale mod, with new graphics and UI without overwriting the originals?

Do you make a new SF directory and copy everything out? Or can you make your new Images, Data, etc. directories inside your campaign folder?

I'm fearful of experimenting, since I don't want to re-install if I screw up.