Download latest version here: https://addons.mozilla.org/en-US/firefox/addon/easiest-youtube-video-downl/versions/?page=1#version-6.3
Easiest YouTube Video Downloader is the easiest Youtube video downloader ever, single click non-intrusive direct download buttons for FLV, 3GP, MP4 (iPod compatible), HD and Full-HD qualities. And it really Works!!! It supports 1080p Full-HD and 192kbps MP3 Direct Links addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.
It simply adds a download button below the video player and dropdown options to download YouTube videos in FLV, 3GP, MP3, MP4, 720p, 1080p formats. It saves the Video-title as file-name.
To Download a YouTube video - whenever you're on a video page in YouTube you'll see the download button to directly download the video to your hard-drive just beneath the video player.
This is a real working Easiest YouTube Video Downloader - If all you need is a simple, intuitive, and none-intrusive and one click add-on to Download YouTube Videos, this is the add-on for you.
Easiest YouTube Video Downloader is a great Download Helper Tool that works with new Youtube layout.