Paul Misso´s pictures from Glastonbury 1971 is on his own site, and now also on Flickr. Those were the days! Here you will find Gong, Edgar Broughton, Nicolas Roeg, Julie Christie, Arthur Brown, and Alfie (Alfreda Benge), and several people showing off all kinds of body parts.
Peter Neal directed a film on the festival (Nicolas Roeg was the photographer) called "Glastonbury Fayre".
Since we are looking at pictures, please check out Simon Fernandez great Robert Wyatt portraits (not from 1971!) here and here.