yOU can dOWNLOAD any H.Q/H.D. videO from YouTube

                                                          ThiS TrICk is for  IdM
1st step
  you should install adobe flash player installer 10.3
     here.......(1)  Adobe Fash Player 10.3 b2 Activex
                   (2) Adobe Flash Player 10.3 rc-1 Activex

2nd step
  you must be have to install 'IDM'
3rd step
  you just have to go  http://www.youtube.com/  then search any song n select 'video bitrate' etc.. that you wanna download.
 When this song displayed on web player,at the right side of above it shown a download panel,there you'll download it...................

                                             ThiS TricK iS  fOr   D.a.P

1st step
    you have to install speedbit video downloader on the I.E. toolbar.
2nd step
    Then install adobe flash player installer 10.0.
3rd step
    you just have to go  http://www.youtube.com/  then search any song n select 'video bitrate' etc.. that you wanna download.
  When this song displayed on web player,just click on 'download video' tab that stay on the speedbit video downloader toolbar...............................