The thumbnail strip is a container in the Lightbox above the large photo, which helps visitors finding a photo easily.
Use thumbnail strip
Turns On/Off this feature.
Thumbnails visible by default
You can choose if you want to present this strip to visitors, or they can turn on the thumbnail strip by themselves by clicking the appropriate button on the control bar. This visitor preference will be kept for an hour.
Thumbnail strip height
Choose the size of these thumbs: Tiny, Small, Medium or Large