What you want to do will seem quite advanced when you begin ... But it can be done (more a matter of patience, than anything else) Have a read of this from the wiki tutorial, to get you started: http://www.creationkit.com/Bethesda_Tutorial_Encounters It is the 5th chapter in that tutorial, so you may want to go back and start at the beginning ... You'll learn a lot and it may help you make some sense of levelled-lists and whatnot Good Luck

Thanks for the link. Certainly helped a lot on the creation and placement of actors.
However, it does not explain anything on placing/creating random encounters.
I have been searching around a little in the CS, and found a quest that takes care of the random Vigilant vs Vampire encounters. I tried to track down where this quest is started (what script of quest stats it) but I could not find it.
It seems the quest is referred to by something called WEQuest, of type "SMQN". Not a clue what this is or were to find this.
I also tried to find some options on spawning enemies. I thought I might be able place spawers (leveld actor lists) all over the place takes a lot of time, but OK), and make it so that these spawners only work at night. Couldn't find anything on this either.
Does anyone know anything about either the WEQuest or controlling spawns?