How to always get good quality youtube videos

I am gonna show you a small trick that will do all the wonders, and now you can always get good quality youtube videos .
STEPS

Step1: Click to video that you want to see, the link will display on Address bar.
Example: http://www.youtube.com/watch?v= Ne1l6VNkuLM

Step2: Add &fmt=6 to the end of that string. That address like:
http://www.youtube.com/watch? v=Ne1l6VNkuLM &fmt=6 Optional Step: To get more quality youtube video .Add &fmt=18 to the end of that string, you’ll have the best quality video with direct download link !
Example: http://www.youtube.com/watch? v=Ne1l6VNkuLM &fmt=18

 

Note:
Appending &fmt=6 to the URL delivers a 448×336 resolution version of the video and appending &fmt=18 delivers a even better 480×360 resolution version. Its that simple, now you have learned a secret of hacking Youtube for Good quality videos.