There's no image to upload here - the share image shown when your page link is posted (on social, in Slack, etc.) is generated automatically from your photo, display name, handle, and current theme colors.

Change your theme, photo, or display name and the share image updates to match - there's nothing further to configure.

Adding a divider - A plain visual break between sections.
Adding a heading - A short line of text to break up a longer page.
Adding a link - A trackable button - added via New link, not the block picker.
Adding a spacer - Add breathing room between blocks.

Adding an OG image

Related articles