Default Images are images you upload to be used throughout the site when one is not available. If you upload more than one image for a given type one will be chosen at random.
How to upload default images
Click on the 'Admin' button at the top right of your website and select 'Design' from the dropdown
3. Select 'Default Images' from the left-hand menu
4. Click 'Add Default Image' button
5. Upload images you want to be used when one is not available. If you upload more than one image for a given type one will be chosen at random.
6. Click 'Save Default Image' button
Default Image Types/Locations
Global images appear in all locations if no default has been uploaded to the specific location
Header images appear at the top of all pages