After some more editing, I've gotten this thing as far as I can go with it.

It looks pretty cool, though. But there is one major flaw with it. You can't place any items in the showcases, it'll crash the game. Damn.
Now its up to someone else to take this project and finish it. So here is the download link to the stubborn showcases world.
Dropbox:
http://db.tt/Cw4rF9k2(If anyone can tell me what I did wrong, feedback would be appreciated. Good luck to you.)