Here is the default code for the carousel. It should be added to a LibGuide as a "widget." Replace XXXXX with your record set ID number. Replace Title of your recommended reading record set with the actual title.
<iframe frameborder="0" height="350px" src="https://fcplcat.fairfaxcounty.gov/contentxchange/Carousel/29/XXXXX/2" style="text-align:center;" width="840px">Title of your recommended reading record set</iframe>