Hi there.

If you're just looking for hints, you can view this link:
http://www.ldwsoftware.com/ubbthreads/sh...age=0#Post25102

If you want flat out details on how to go about doing what you've questioned, go to this link:
http://www.ldwsoftware.com/ubbthreads/sh...age=0#Post25104

Be warned that the second link contains detailed spoilers for ALL the puzzles.

Good luck!!

Kel