Pin Image for Browser Extensions
When turned to the ON position, this toggle adds your custom Pinterest image to the choice of images to pin when a visitor uses a browser extension to pin.
Pinterest Image Location
You may opt to hide your custom Pinterest image or display it at the top or bottom of your content. This option is set to “hidden” by default.
Pinterest Image Fallback
This option allows you to choose what will happen if you haven’t selected a custom Pinterest image for a page or post. By default, the Pinterest share button will show a selection of all images on the page, but you can choose to use your featured image instead.