YouTube Download :: Add-ons for Firefox - Mozilla Add-ons 2010年6月8日 - Note from Mozilla: This add-on has been discontinued. Try Video DownloadHelper instead. Download YouTube - The best YouTube video and ...
How to Download YouTube Videos using Firefox Add-On's ... Song: Aruga Mama by. Anamu & Maki STEP1 -- Download Mozilla Firefox. Go to http://www.google.com ...