This article discusses an easy way to download media files from the Internet. These include mp3, flv, swf files, etc using Firefox.
Get and install Video Download Helper add-on from https://addons.mozilla.org/en-US/firefox/addon/video-downloadhelper/
After installation, an icon will show on the menu bar. If you browse a web page with downloadable media the icon will light up.
You can then click on the arrow button next to the Video Download Helper icon to see the list of downloadable files·
Then click on the one you want to download. That’s it!