Here is the thread about the secret cam swap, Oldsman tells you the two cams you need as well as all the gaskets you'll need and their part numbers:
http://invision.aleromod.com/index.php?showtopic=670
Getting the INTAKE cam involves going to a junkyard and looking for any vehicle from 1995 that has the 2.3L QUAD4, and it HAS to be from 1995.
Getting the EXHAUST cam involves looking in a junkyard for any vehicle made from 1990-1994 that has the 2.3L QUAD4...