This section is going to hold a host of DIY looms made from stuff you probably already have around your house.
Cardboard Rigid Heddle Loom
http://www.craftypod.com/2011/07/11/a-community-weaving-project-at-the-museum-of-contemporary-craft/
2 Shaft Counter Balance Loom
http://www.youtube.com/watch?v=g3MrlZIHf0o
See my "How to Make String Heddles" article
Toothpick Loom for making tubes (pouches)
http://www.youtube.com/watch?v=_kqUHE2ET_s
Weave It Loom
http://www.youtube.com/watch?v=NHkeoNB34yo
http://www.rogersstark.com/wool/weave/weave.htm
Knitting Board (you could also use cotter pins)
http://www.youtube.com/watch?NR=1&v=CgyEcCK3Eps
Tiny Box Loom (imagine it on a larger scale!)
http://www.youtube.com/watch?v=pY0DiWJM8Zw
Chording Loom
http://www.youtube.com/watch?v=VJ5eqRcSDU0
Pocket Loom
http://www.youtube.com/watch?v=69Dwq2mGnx4
Index Card Loom
http://www.youtube.com/watch?v=tJlaxase0F0
Shrinky Dink Loom (similar to Index Card Loom just a bit more sturdy)
http://diela-kcdesign.blogspot.com/2009/04/how-to-make-your-own-backstrap-loom-for.html
Picture Frame / Frame Loom (for Beading)
http://www.youtube.com/watch?v=PUjYBHzuuMQ
http://www.instructables.com/id/Make-a-Frame-Loom-for-Weaving/ (with rigid heddle)
Picture Frame Loom (for Tapestry/Fabric)
http://www.youtube.com/watch?v=rQLmd5DLG50
http://www.youtube.com/watch?v=aYYrJhORNrs (uses Push Pins)
http://www.marlamallett.com/loom.htm
Cardboard Lap Loom
http://www.youtube.com/watch?v=LbtKnvc_9No
Tape Loom Made from Cardboard Box
http://www.youtube.com/watch?v=Adg0XXot2P4&t=5m29s
Bow Maker
http://www.youtube.com/watch?v=K8iDVeQ4lsU
Weaving Straws (Sticks)
Straws: http://www.youtube.com/watch?v=LVsmd-HrBOc
Sticks: http://www.youtube.com/watch?v=kVYxeLgEmww
LOOM PLANS (for the carpenters in your life)
Magic Heddle Loom
http://www.vintageprojects.com/kids/kids-loom.html
Various Looms
http://www.woodworkersworkshop.com/resources/index.php?cat=707
2 Harness Table Top Loom
Barbara R.