Can't get streaming downloads to save

I have several programs that are supposed to allow me to save streaming flash video. The programs give me a supposed url for the file, but when I save it always ends of being a tiny file about 40k instead. what am I doing wrong?

What OS?
What browser?
What sites?
What programs have you tried?

Windows XP, I am using firefox and i have tried URL grabber and also used VideoDownloader plugin. I am trying to get videos from


Orbit is TOTALLY your answer. I lurve it.

Make sure to have the Grab function turned on (Tools-Grab) before starting your stream.