Any native Bostonian can tell you that the South End is not exactly the glamorous section of town. But a newly revitalized neighborhood in Southie, long populated by local artists and recently discovered by gallery owners, is proving once again that art can change the image and culture of even the most run-down areas. “The gallery boomlet has occurred despite the sputtering economy of the last two years, thanks to the housing market, which has been white hot in the neighborhood, drawing artists and people who want to put art on their new walls.”