According to Wikipedia, shotgun style houses were the "most popular style of house in the Southern United States from the end of the Civil War (1861–65), through to the 1920s." They're simple and small and artist Marjetica Potrč, along with sustainable design firm Futureproof, wants to bring them back to New Orleans as another possible housing solution for those still suffering after Katrina.
More info, another image, and survey after the jump.
It's worth mentioning that shotgun houses have excellent airflow, thus reducing a need for air conditioning or electric fans - very important in a hot climate.
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