Video Tutorials for map making. Will need codec for play back. Can find them below. Link for mapping www.modsonline.com a great resource. Will require registration.
First Room Requires xvid codec through www.virtualdub.org
Clip and Carve Requires xvid codec as well. Try www.divx.com
Water Requires Dvix codec .
Links for online printable tutorials. www.gamedesign.net/node/776