Change the thumbnail picture of the form when shared on facebook

Can I choose/set/change the photo that appears with the form link when shared to Facebook?

Please be noted that the header image will be displaying on the Facebook page automatically when you share a link.

I tried using your link and I can preview your header image correctly  when shared in Facebook.

If you have an new image, then please use the Facebook Sharing Debugger tool to scrape your form again to capture the latest updates. Here's the link: https://developers.facebook.com/tools/debug/sharing/.

Hope this helps.

Thank you.