The Twilight Saga: Eclipse' final trailer previewed by 'Oprah'

The final trailer for The Twilight Saga: Eclipse is due for release on Friday via Oprah and the Official Twilight social networking sites, and a preview snapshot of the trailer has been delivered by Oprah in this video feature.
Two screenshots from the feature are available here, and from the video, it seems that we'll get to see a bit of Bella (Kristen Stewart), Edward (Robert Pattinson), and Jacob (Taylor Lautner) in Friday's trailer.