Support Youtube intro please help me

[jtag-10th-lobby]

ok so i made this intro for youtube a while back and i do have the program i used to make it any more and at the end of the intro it has my old gamertag and i want to take it off so please tell me how to do this
here is the video
http://www.youtube.com/watch?v=cHOW1S8mMwg

 

[DR FAILS]

Heres the Intro: (Not the edited one, the one he failed to post)