I included this brief direction text in the zip file...
But I admit that beyond that, I really got the drunk working by trial and error. Can anyone give a simple explanation for how to set up drunk behavior on an NPC? It's one thing to give them the voice. That's easy. It's much harder to get them to act like a drunk, especially when becoming alerted is concerned.Find the file speech.spc (if you've installed the fixed schemas file it should be in your schema folder) and add the following lines to the end, depending on which voice set you wish to add.
voice vdrunk2 //drunk everyman
voice vconvnobm //Conversational Noble, Male
voice vconvnobf //Conversational Noble, Female