steps...
1: clicky the 'Go Advanced' thingy at the bottom.
2: clicky the thing that says 'Tube' with white on red.
3: find vid on youtube.
4: Once at desired video, clicky the thing next to where it says 'Embed'. This should enlarge a window.
5: Set desired settings, and clicky the script again.
6: Copy the script (control C/V)
7: Paste the script between "YOUTUBE's"
8: Lather hair liberally with shampoo.
9: Rinse hair thoroughly.
10: Repeat previous 2 steps.
11: Enjoy.