- ken burns effect?
- each video needs specified duration
- crossfade or some other transition
- photo chosen by some criteara like date taken
- the number of photos proportional to the duration of video and slide show photo duration
- audio track chosen at random then trimed to 30 seconds from a random startpoint
-- startpoint randomly chosen but not to start after 30 seconds from the end of the track
- fade and frade out each clip
- trim them to proper dimensions