MyGirlPeppers modular cavern set was released a few days ago, pieces include a straight tunnel, half turnaround, long low room, spooky corner, and a large box room. Very useful for all situations. Must have shyguy’s rock set installed seeing as these are made entirely from them.

Download and view thread here:
http://www.ataricommunity.com/forums/showthread.php?t=656514