I've written some explanation on using constants in NXT-G implmentation VIs to optimize program size during compilation. You can read it here: (URL) Ziv NXTasy.org (18 years ago, 26-Feb-07, to lugnet.robotics.nxt)
(...) Excellent. Now if I can just pull myself out of the time-sucking hole of the family laundry (and other stuff) to learn it... Thanks for putting all this up, Guy. (18 years ago, 27-Feb-07, to lugnet.robotics.nxt)