http://www.cellulo.info/
AFAIK, it's the first player that allows you to enter the .org ID of a video as a movie property and then offers a direct link to the vid's page. 8)
It also performs real-time resizing for bakas who encode top and bottom black bars with their video without thinking that people who don't have a wide screen (most often 3:2 instead of the usual 4:3) may have to view their vids with unused black space all around them. (Well, except people using Cellulo !
