Interval

The interval between each picture (Time unit: seconds).

Start

True: auto start. False: do not auto start.

Loop

Slideshow loop.

Add

Add picture to slideshow list.

Clear

Delete all picture in the list.

Delete

Delete the picture you selected in the list.

Up

Used to adjust the display order. Move the selected picture up one position.

Down

Used to adjust the display order. Move the selected picture up one position.

Caption

Add caption to selected picture in slideshow list. When you add caption to picture, it will show at bottom of picture.

URL

Add a link button to the picture in slideshow list you selected.