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
this was exactly what I needed for my show.
Great Video !!
I especially like this for my memorial package
I have found that this abstract, as well as many of the others I have purchased, are quite effective for special effects in slide shows. Everything I have purchased has been wonderful and I use them frequently.