Hypersaw oscillator tutorial by Ben Crosland
http://www.youtube.com/watch?v=m-F4BSPjlJY
Hypersaw howto in German
http://www.youtube.com/watch?v=uWY-Ck1VhaI
Housechord tutorial (can also be used to fatten up any patch)
http://www.youtube.com/watch?v=ARaSi_5Swac
Supersaw tutorial (pre-hypersaw techniques) lots of patch fattening tips
http://www.youtube.com/watch?v=lIUluK8OFNM
Hope this helps.
jgg