Google Images direct link
NOTE: Since July 2016 this script is unmaintained. It is here just for historical purposes and to let other people fork it. Adds direct links to images and pages in google image search
FYTE /Fast YouTube Embedded/ Player
Hugely improves load speed of pages with lots of embedded Youtube videos by instantly showing clickable and immediately accessible placeholders, then the thumbnails are loaded in background. Optionally a fast simple HTML5 direct playback (720p max) can be selected if available for the video.