A little tweak

If you're an avid user of Youtube, you might like this little tweak.
Some current videos have links like "Watch In Hight Quality" underneath the video screen. Some videos don't. For those that don't you can still somewhat force the video to play in high quality.

The next time you're watching a video look at the address bar and at the end of the address add the following text &fmt=18.

So the original link would look like this: http://youtube.com/watch?v=9W55utXqwTw
After you've added the text it should look like this: http://youtube.com/watch?v=9W55utXqwTw&fmt=18

It really does make a difference.
Happy hunting.