We’ve talked about official and unofficial smart phone applications for Louisville, but Insider Louisville has the story on an Old Louisville iPhone application:

Unlike most published virtual tours that feature businesses and attractions, Paul’s app gives users instant access to photos of – and details about – hundreds of houses in Old Louisville.

Louisville has the third-largest historic district behind Boston and Soho in New York City including the historic district around St. James and Belgravia, site of the annual St. James Court Art Show, Louisville’s nationally famous arts festival.

But Louisville has the largest collection of Victorian architecture in the United States plus two neighboring local historic-preservation areas, the Limerick neighborhood and University of Louisville’s Belknap campus, Paul said.

Feel free to complain about how this is become an Apple news blog. In the past 24 hours, we’ve brought you news about the iPad, the iPhone and the iSag, which you wear under your turtleneck to hold your jeans up.