Whoop Home Hero Area settings
The Whoop Home layout has a Hero Area which can show images or videos of your choice.
You have 5 options for the Hero Area if you selected Whoop Home as the page template for the front page of your website:
Auto
Uses the default static background image installed together with Whoop.
Featured Image
Uses the Featured Image added to the page settings, as a static background:
Video
Uses a video as the background, just copy and paste the YouTube video ID:
Gallery
Uses images from your Media library: 
To get the image IDs:
- Go to Media
- Click on the image you want to add to the library
- Copy the attachment ID
Listing images (GeoDirectory)
This setting will cycle through the featured images of your listings: 