Media Player for YouTube™ автор Sarah Av.

Media Player for YouTube™ provides a comprehensive player UI to allow you to control YouTube playback through Firefox toolbar panel, which is very useful if you're watching YouTube while reading other websites.

Some Features:
1. Set preferred video playback volume for all videos
2. Control auto-play behavior of the YouTube player
3. Play a single video or playlist in loop-mode
4. Change video player theme color (see options page)
5. Integrated with YouTube account Playlist (sign-in required, see Options page)