Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
(*) Gets file sizes better for videos on earlier Firefox versions.
(*) Gets Dailymotion videos on eariler Firefox versions as well.
(*) Fixed a few bugs (caused problems on earlier Firefox versions).
(*) Supports Dailymotion.com videos again (they changed their website code again!).
(*) Loads Metacafe.com videos list faster.
(*) Fixed a bug with Dailymotion.com which caused the video file items (when opened the context menu) to flicker if the video was playing in the background.
(*) Fully supports per-window private browsing now.
(*) YouTube format "3gp" [240p] was missing, now added.
(*) Removed Status Bar Icon description text (to prevent from the Icon to enlarge the Status Bar).
(*) French language is now supported.
(*) Fixed Dailymotion.com issue - Videos are available to download again.
(*) Fixed a small bug with video file names when saving through Firefox's download manager.
(*) Now gets video sizes for any listed video (not just YouTube).
(*) Addon-bar Icon can now be moved/removed if and when customizing the Addon-bar.
(*) Fixed an issue that caused YouTube videos list not to display correctly if the page was loaded while in a different tab.
(*) Toolbar Icon turns blue faster now on YouTube pages (it doesn't wait for the entire document to load as before).
(*) Now identifies YouTube videos on "channel" pages (http://www.youtube.com/channel/UCmeSW7JwhuqXKseKvS7-geA)
(*) Gets YouTube file sizes a bit faster
(*) Now identifies YouTube videos on standard channels (e.g. http://www.youtube.com/user/mayermusic/featured ).
(*) Fixed a bug that rarely caused YouTube videos not to display correctly in the downloads list.
(*) New feature added - You may now select if you want to display Flash files only or Videos files only or both (see Options under "Flash & Videos").
(*) All features now fully support SeaMonkey 2.9 and above.
(*) Fixed a small bug associated with the default downloads folder.
(*) Fixed a small bug with the Toolbar Icon (did not light up when hovered on) with Firefox 14.0.
(*) Fixed a bug associated with DownThemAll! when used as the download manager for this Add-On (if a URL was stored in the clipboard while trying to download a video using DownThemAll!, that URL would have shown in the download Textbox instead of the selected file's URL).
(*) Added the option to select a default Downloads Folder.
(*) Added the option to direct all downloads to Firefox default Downloads Folder.
(*) Added the option to download immediately to the selected Downloads Folder (without prompting the "Save to.." dialog window).
(*) Optimized code.
(*) Cleaned-up options window (more user friendly).
(*) Status Bar Icon can now be removed/added from the options menu.
(*) Added support to the popular Download Manager "DownThemAll!" latest version - Now you can download Videos and Flash files directly to it (this option can be Enabled / Disabled through the options menu in the "Add-ons Manager" (Ctrl + Shift + 'A') ).
(*) Issue with invalid characters in file names has been fixed.
(*) Shows file size for all the Flash files as well (in the past it showed file size only for Video files).
(*) A new icon added for all Flash files.
(*) Displays YouTube video qualities (e.g. 240p, 360p, 720p, 1080p).
(*) Displays each video's size in bytes.