You might be interested to know that I maintain a mirror of the TLJ transcript on my page, since all the other ones went down. I haven't gotten around to fixing the formatting on everything, but all the info should be there.
Thank you, this is wonderful! 
I remember April saying something like "I think I know who posted this" but I guess that's the best you can get.
I remember the notice. From the transcript, all four notices on the board:
"The Annual VAVA Summer Exhibit, August 11-18". Oh God, I'm actually expected to be ready by then.
"Need model to pose nude for serious work. PS! Only looking for young and beautiful --" It used to be "chicks", then he crossed it out and wrote "women". That's smooth, man.
"Film equipment for sale. Antique 16mm camera, projector, tripod lenses -- all for just -- "Holy cow" -- $8000"? Who has eight thousand bucks to spend on an old camera? Wait a second, this was posted by Zack! Oh, so it's definitely overpriced then. That guy would do anything for money. Anything. ...
"Actresses wanted for snuff movie parody. Meet up at Dock 12, Newport Harbor, Saturday at midnight. And keep quiet about it!" If I was the suspicious type, I'd think, this was kinda...fishy.
We gathered what little we know over at the wiki.
And thanks for that!
Already checked it out; it's a good reference for some basics on him. But there's a lot of details I need, which aren't in the wiki(and might not be suitable for a wiki page, anyway). 