The New Deal Network, http://newdeal.feri.org/, Good general compilation of New Deal resources including primary sources, photographs, and links to other sites.
America in the 1930s, http://xroads.virginia.edu/~1930s/home_1.html, Looks at the 1930s through the lens of different aspects of culture, including film, print, art, etc.
Roosevelt University's Center for New Deal Studies, http://www.roosevelt.edu/newdeal/, Compilation of photographs, oral histories, and other primary source documents on the New Deal.
A New Deal for the Arts, http://www.nara.gov:80/exhall/newdeal/newdeal.html, This site examines how the arts projects of the New Deal helped the art world reach a larger community.
New Deal Cultural Programs: Experiments in Cultural Democracy, http://www.wwcd.org/policy/US/newdeal.html, This site provides a written research paper on the various cultural programs of the New Deal.