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    Creates a gallery of thumbnails images or icons for each child item in a compound object. The thumb defaults to image_thumb or image_small, otherwise an icon is added based on the display_template or format of the child item.
    
    Each child item is given a popup modal with full display and metadata information. The display is chosen based on the display_template of the child item.

    This include requires the Liquid object "child" to be present! The item display requires the compou