mozilla firefox free download 3.0How to Download free videos with Mozilla Firefox ?

1) For Mozilla Firefox version 4.0
2) Easiest way to download videos
3) Which plug-in / Add-on are Best
4) Which supporting software to be download
IDM
The best way to download videos with Mozilla Firefox is Download Helper. It is a free add-on for firefox to download videos. You can download it from-

or

i use "unPlug" for a lot of videos
you can use a add on named unplug for download
you can add it to your browser from here:
mozilla firefox free download 3.0

down them all is another add on for mozilla
you will get it from here :

flash got is one another,
to get this just follow this link :

another add on for youtube video download

not sure what you're asking for... if the video is free to download you wont probabaly need any plugins/addons...you can directly download them by clicking on it or by right clicking and selecting the option "save link as"

if you wish to domozilla firefox free download 3.0wnload youtube videos then install this plugin https://addons.mozilla.org/en-US/firefox/addon/easy-youtube-video-downl-10137/?src=api

that's what i'm using.
just goto your addons and search "IDMCC" plugin...
then you can download videos with IDM...
I just use KeepVid. That way, Firefox will be a little more lighter weight.
"Internet download manager"
search in google and download it