As I've been learning Vegas I've started creating my own music videos using my MP3 library along with downloaded jpegs and videos.

I have no problem rendering the individual videos and when they are played back I am very happy with them.

However, when I try to put several of them on a video track and render a longer video, the video ends up with the pixelization. I have tried to discern where the problem occurs (the first 8-10 songs may be just fine) and the only thing I can see is that it may occur when I switch to a timeline file of a dirrerent type. For example, file A on the timeline is an MPG and file B is an MP4.

Everything looks perfect in the preview.

Any hints anyone?

Thanks,

Mac