hi @Annie_Murphy here is one of many forum links with identical request but feel free to find more. It is always good practice using forum search input field before placing any request as forum is great source of solutions.
NOTE: WF Slider is very basic in functionality and poor when it come to customisation. If you need good Slider/carousel you should look for external JS libraries like for example https://glidejs.com or https://splidejs.com but there is many more.