www.collodion.org mark osterman and france scully osterman's website. tremendous amount of information plus workshop and tutorials. france was my first teacher and her help has been invaluable.
www.alternativephotography.com processes how-to, forum, gallery, an incredible source for information on all things alt.
www.f295.org symposiums, workshops, forum info on 21st century photography.
suppliers:
www.artcraftchemicals.com if you don't see it listed just ask mike. great supply of photo chemicals.