Editing Lightbox Content
Content Editor tab is where you add images to the lightbox, arrange them, and enter captions.
Gallery
Enable Gallery, if you want to display multiple images. The lightbox will allow you to browse through a set of images.
Adding Images
Use Add New Item, Remove Item, Move Item... buttons under the list of images to add new images to the gallery, to remove them, and to rearrange them.
Link
Specifies URL of the image to be displayed in the lightbox. The lightbox extension will automatically create a thumbnail for the image.
Caption
Specifies text that will appear in the lightbox below the image.