Hello @RockyH84 ,
If you're referring to the automatic banner that Facebook generates from links in posts, this is a default function of their API and unfortunately not something we can control.
If you include images in a post / social share, Facebook won't automatically generate a banner from a link included in the text, which is also a default function of theirs. When manually including images in posts, I'd recommend checking this article for recommended image sizes and advice for working with FB's API restrictions.
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