Well, I'mma newbie here myself, but you know, for a few hour vid and it being your first AMV, it wasn't too bad.
Had some emotion to it and I could feel it. :3
My advice, attempt not to lip flap, if possible, and avoid subtitles.
Also, make sure to use the vidid tab and the last numbers on your link like this:
vidid tab [vidid][/vidid] + http://www.animemusicvideos.org/members ... nfo.php?v=187201
(The numbers only), gets you this: