The following is a noted site on Social Credit which seems to have been suspended at the time of publishing this post. It was run by a character called "Bill Ryan" who seemed to be very knowledgeable.
Blogger Reference Link http://www.p2pfoundation.net/Transfinancial_Economics
Discussion group relating to the historical and theoretical aspects of the Social Credit movement. Some materials introductory to the topic are at http://www.geocities.com/socredus/compendium