The Edit Page : Editing Your Project : Montage

Montage
Montages are pre-designed motion graphics. You can add your own media to the dropzones in the Montage once it has been added to the Storyboard.
There are two ways to add media to the dropzones in a Montage clip:
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– or – 
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Dragging a photograph or video to the Montage clip on the Storyboard. A pop-up box with numbers will appear. Tap any one of the numbers to select which slot the media will be placed in. For example, tapping the number 2 places the item in the second slot and it will be the second item seen in the montage during playback. Repeat the first two steps until the Montage is full.