[Plugin: Skitter Slideshow] Showing no images and/or thumbs on server

Skitter Slideshow is installed successfully. But showing no image and/or thumbnail on the server. I tried the post method, it isn’t working, then tried the media library method, it’s working, showing the slide’s black area as well as the navigation, but showing no image and/or thumbnails.

See what happened: https://www.all-discounts.co.uk (I can’t pose is for long time with no working)

Please anybody show a solution asap. :0

https://www.ads-software.com/extend/plugins/wp-skitter-slideshow/