Put your rules.ini and whatever other ini files you want to put into TibEd, into your RA2/YR Folder. When in TibEd, go to File>Import Current Changes from Game.
Disks shatter because of Tibed? Horrific. I use virtual drive 9 for my discs never had a chance to play it with the discs though. I think software use has no relation whatever to hardware life. But good enough I never had a chance to use Tibed. Or else i'm screwed!