I'm seeing lots of people posting here about bugs they're having with RO, or asking technical questions/ what have you. Just wanted to mention that RO has a quite nice forum itself, you can find it here:

http://redorchestramod.gameservers.net/forums/

They've got a pretty active community and it's well worth at least browsing the forums and indeed registering and posting your questions as well.

I only bring it up because IMO you're more likely to find more in depth info there than you are here. For instance, I found a workaround there for the spawning problems people have been having ...