The homepage features a monklet called "Section Monklet - Featured Events Rotator".

This monklet will display the most recent 8 events published as "featured" in the CMS. Recommended image size: 1280px wide x 720px high, or 16:9 ratio.

You can control the button link within the section that the monklet is entered: http://e360.d.pr/lgl621/1o1HCm0M