The Skipity button cures boredom with every click. Download videos from YouTube or any other tube site. Amazing screenshot functionality. Red Facebook Notification on Browser button.
Here is a little more about the add-on from the developers:
1. The Skipity Button let’s you bounce to interesting destinations across the web
2. A Video Downloader to Download videos from almost anywhere on the web
3. Capture, grab, save, download or copy anything you see in your web browser with this 1-click Screenshot Button.
4. Get red alerts when you receive Facebook notifications.
5. A handy thumbs up button to share links with the world on Facebook. Dropdown shows number of Likes, Shares, Comments, Tweets and LinkedIn Shares.
Want to learn more? You can find out more about the Skipity add-on for Firefox from the Firefox Add-ons website.