You can find pretty much anything for sale on eBay, of course, so it probably shouldn’t be a big surprise that you can find an empty tube of toothpaste with a $41 asking price. Or a worn-out hairbrush. Or a human soul, won in a video game contest and now being resold. But there’s a twist to these bizarre aucton items. “Meet Neal Livingston of Mabou, N.S., a 58-year-old maker of independent films, electricity and maple syrup who is currently using the world’s largest on-line flea market as an incidental gallery for a new media project titled, appropriately enough, Junky Old Stuff.”