First of all, this is not the easiest problem to fix. Prepare to be frustrated.
Check your movies on your computer before you burn to disk. That way, you will not waste your money! I will need more information before I can help.

Are you converting your movies to DVD format?
If so, what was the original format?
What program(s) are you using to convert and burn?
Do the movies have an audio delay before you convert?
What speed are you burning at?
What media are you using?

Dano

P.S. Here's a link to a previous thread on the same topic:

http://www.gnutellaforums.com/open-d...-avi-file.html