Can you bend your back and get down real low? If you can, here’s a chance to make $400. Boston Casting is looking for a limbo dancer between the ages of 20 and 30 to appear in a social media/Web project. The gig pays $400, and you must be available July 28 (or July 29) and Aug. 30 and 31. If you’re interested, send a photo of yourself, your contact information, and a brief statement telling your limbo experience to bostoncastingsubmit2@gmail.com.