If you are working on a dynamic template or custom card you may want to display the post featured image as a background for a row or column. A great example is the dynamic post template used on the bolt demo which has a title area with the post thumbnail as a background (see here).
It is very easy to use the post featured image for a background. Simply edit the section, row or column where you want the background added and enable the toggle as shown in the screenshot below:
