quietube | YouTube without the distractions
http://quietube.com/

"To watch YouTube videos without the comments and crap, just drag the button below to your browser's bookmarks bar. On any YouTube page, click the bookmark button to watch in peace."

It's a bookmarklet to remove the distractions from youtube.com. I don't really find youtube that distracting, but this could conceivably come in handy.

app to get rid of ads and comments on youTube

quietube: YouTube without the distractions To watch YouTube videos without the comments and crap, just drag the button below to your browser's bookmarks bar. On any YouTube page, click the bookmark button to watch in peace.