If you are using Tideway, Brooklyn or Livingstone template for your website you have by default a slideshow integrated on the homepage. If you prefer to have a static image instead of different ones, you will have to delete the additional pictures in your homepage slideshow.
To do so:
- Go to Menu and select My Websites.
- Choose the website that you want to add a background image to, click Edit and select Pages.
- Enter the Home page and click Edit in the bottom right corner of the Theme widget. Delete all pictures apart from the one you want to use as background image.