Make sure you're signed up for Campsite Pro.
Campsite Pro offers the ability to change the background of your profile to an image.
Below are the steps you can follow:
- Go to your settings page
- Click on the bottom right theme named 'Custom'
- Scroll down the background section and click the 'Image' option
- Click the 'Background Image' button to select from one of the thousands of images available on Unsplash
Now that you've selected an image it will show up on your Campsite profile page.