Downloading online video feed is a trend recently. Due to the popular demand of Google Video download, Google has recently added a download links to all free video. You wouldn’t need any script again.
It is a good news that YouTube Videos can be downloaded as well. Joshua Kinberg at sandbox films created a Greasemonkey script which creates a link on the top of the screen for you to save the video locally. If you never get the live player working probably, YouTube Video Download script may be the good option. Here are the instructions:
FLV PLayers
FLV Player
VLC player
FLV Converters
Riva FLV Encoder
Total Video Converter