Calling All Jugglers, Cranky Ninjas and Aspiring Directors

As video sites look for ways to attract higher-quality content, they are dangling cash, usually offering to give creators a cut of the advertising revenue that their work generates. Revver, the Los Angeles-based company that pioneered the practice, shows a still-frame ad at the end of a video and funnels money to the creator every time a viewer clicks on the ad.