TubeTV is a freeware program for Mac OS X which enables you to search for, save, and convert YouTube and other flash videos to a format suitable for playback on your favorite devices.
We recommend that users do not install the versions of RealPlayer software that we tested, as distributed through channels such as Mozilla Firefox's 'Missing Plug-in' feature and the BBC Radio website.
SceneMaker lets you to select a portion of a video off of YouTube, etc and share just that portion of the video without having to show the entire original video.
Tun3r is a web 2.0 style interface consisting of a mosaic of hundreds of internet radio stations you can listen to. Dragging the tuner to one of the little pictures brings up the station information, including its recent playlist and gives you the option