World building is the place for mob spawns ... someone posted a db with PoFire mobs and Drawde's has some PoNightmare mobs ...
http://www.eqemulator.net/forums/vie...ight=nightmare
I think db/quest development has pretty much stopped while the devs work on the core code for 5.0. Once that is released, DB/quest creation may pick up again. As for flags, that probably needs some development of the code, I don't recall seeing any discussion of flags, but I may have missed it.