The stash of SigOps is often lengendary. I've heard stories of magic, fire, women and gold.
Usually something catches fire.
On the 'net, I found these homebuilts:
http://www.astrosurf.org/lombry/qsl-radials.htm
http://www.g3ejs.com/files/antennas/2tuner.pdf
http://www.w0ch.net/travel_antenna/travant.htm