Check them out.

http://www.youtube.com/profile_videos?user=coolblue14 My amv's i made, anyone with a youtube account please rate and comment.

good sound tracks

for amvs I would suggest raw footage try asking people on
http://www.animemusicvideos.org/home/home.php

the general synch is good but a lot of people synch to the beat of the song

Woah! I didn't know there was a prequel to Eureka7