[Plugin: Promotion Slider] slider not loading

At the moment your website hasn’t got Promotion Slider even added (no script or style added), instead of that you have something called Un Point Zero slider or something similar.

sorry, my bad – wrong area !!

I have the promotional slider on my website home page and set my featured images and everything is coming up apart from the image itself. This is highly frustrating and I have no idea how to rectify this can someone help at all.
My website is https://www.thepartyplanguru.co.uk

Thanks