Along with the Historical Image Archive at the New Albany-Floyd County Library, the University of Louisville's Digital Collections are a treasure, educational if not always pleasing.
109 West Market Street, New Albany, July 1965
109 West Market Street, New Albany, December 1965
Check out UofL's Photographic Archives on Historypin as well. Launched globally on July 11, Historypin allows users to view and post photos of various eras from around the world, comparing images of the same space over time, including the present via Google's Street View technology.
A video introduction: