To learn more about using video backgrounds in Photopia, watch this tutorial.
The video specifications are:
MP4 and WMV file types
Length: 12 Seconds, loops
I have once again purchased a product from choice slides. Like every other thing I have purchased from this great site it has exceeded my expectations. This is the common factor which pervades every thing I have purchased from the site. I am not going to go on to praise the traing videos, suffice to say they are the clearest and most easily understandable on the web.