[ Thanks to david for
this link. ]
“Download videos from various Flash-based video hosting
sites, without having to use the Flash player. Handy for saving
videos for watching offline, and means you don’t have to keep
upgrading Flash for sites that insist on a newer version of the
player.“Includes support for the following sites/players (and
more!):* YouTube, eHow, Brightcove (used by many sites like Channel 4,
Daily Telegraph …), BBC (news, etc), Metacafe, 5min, Google,
fliqz, nicovideo, vimeo, Blip, Break, Collegehumor, Muzu,
Sevenload, Megavideo, Wat.tv.* Also includes a ‘generic’ method which works on many other
sites.“You can check project home page
Install get-flash-videos in Ubuntu
“Open the terminal and run the following commands , this
installs it system-wide or download .deb package from here”