I don't have any photos from the Great Depression, so please don't e-mail me asking for some.  The websites listed below are a few that I've found that do have photos.

Web Site Description
Documenting America This Library of Congress site has an extensive collection of photographs taken during the Great Depression by the Farm Security Administration- Office of War Information
Gallery 6: The Great Depression Information and photos from the Herbert Hoover Presidential Library and Museum.  Maintained by NARA.
Archival Resources on the Great Depression Photos and information from the Carl Albert Center Congressional Archives.
The Depression News: The 1930s Virtual tour of the Michigan Historical Museum exhibit on the Great Depression, with teaching materials and children's resources.  Includes displays on the rise of organized labor, the New Deal, bungalow homes of the 1930s, the automation of lighthouses, and Paul Honoré's mural "Michigan's Natural Resources" from the 1933-34 Chicago World's Fair.
Photographs of the Great Depression's collection of photos from the Great Depression.
William P. Gottlieb: Photographs from the Golden Age of Jazz Over sixteen hundred photographs of celebrated jazz artists, documents the jazz scene from 1938 to 1948, primarily in New York City and Washington, D.C.
Charles W. Cushman Photograph Collection Charles Weever Cushman, amateur photographer and Indiana University alumnus, bequeathed approximately 14,500 Kodachrome color slides to his alma mater. The photographs in this collection bridge a thirty-two year span from 1938 to 1969, during which time he extensively documented the United States as well as other countries.