There have been quite a few articles discussing ad opportunities that Joost will offer -- in AdAge and Wired a few months back and now in NY Times and elsewhere as Joost announced the first batch of 30 advertisers joining the three-month test. I haven't seen any screenshots, though, so I thought I'd take some of my own (Hill Holliday blog).
Earlier:
Joost's Advertising Model
Joost Runs on Apple TV
