What can cause movies to play some times and not play at other times?

[Cleo]

Originally Posted by Bill

Yep, that plays as expected - I got the mild impression that it was a different size in the player, tho.

I just grabbed a default settings file so it was probably the wrong aspect ratio.

This is the program that I'm using to generate the H.264 movies for Angel's new site and I spent a week tweaking the settings files for those.

It's amazing how many variations of mpeg there are.