Photo by Andy Sternberg/LAist

• A posthumous tribute wall dedicated to singer/songwriter Elliot Smith sat defaced by graffiti for months on end -- LAist said enough, so did the fans and city council.
• SFist was surprised to learn that chronic presidential candidate Ralph Nader picked former San Francisco Supervisor Matt Gonzalez as his running mate.
• Phillyist explored the possibilities of green cleaning.
• In the latest edition of Reel Toronto, a bi-weekly feature looking at films shot in Toronto that attempt to disguise that fact, Torontoist checked out the cinematic masterpiece that is Undercover Brother.
• Shanghaiist is amused by this video of a busker playing the flute with his nose!
• Bostonist read the rumors that Tom Brady might be Calvin Klein's next panty model, which indicates that he is slowly turning into his supermodel girlfriend, Gisele Bundchen.
• Seattlest got excited when former Nirvana drummer and Fighter of Foo Dave Grohl announced his presidential bid.
• Gothamist found New Yorkers are proud of their subway system, even if it's got rats in it.
• Austinist unveiled their special SXSW coverage minisite, with artist interviews, day party previews, and festival news.