Today, web pages are full of embedded videos, which reside in various video hosting providers. If you want to save one of these videos in your hard drive, you can’t simply right click on it and select save as, because these videos are flash objects. In order to download and save these videos in your hard disk drive, you can use the following Mozilla firefox extension:
UnPlug
UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it’s a video download tool. In order to use unplug, you must have the free web browser Mozilla Firefox installed in your system.
For more info and downloads for unplug Mozilla Firefox extension please visit:
https://addons.mozilla.org/en-US/firefox/addon/2254