1- Images: upload/add your images from the WordPress media library with the ability to set the images size (Full or custom), zoom effect, overlay effect and enable slider thumbnails.

2- Title: The image slider title (This title will appear when the image is opened).

3- Element extra class: Assign a css class to the image slider (useful for custom css styles).

By checking Enable slider thumbnails? check box a new tab will appear (Thumbnail Options) that will allow you to set the thumbnail image dimension and the items displayed for different devices and screens (Demo).

CSS Animation: You can animate the image slider by selecting the animation you would like.
CSS animation delay: The animation delay in (seconds) format EX: 0.25