Hey Alison - Thanks for posting, and thanks for the screenshot! I believe something like this is already on our developers' radar, but I'll make sure to pass along your note. The 'rules' for how sharing things to Facebook works seem to change frequently, which means it's really helpful when our clients let us know things like this.
Thanks!
Alison Rivers
Hi. There should be a way to change the look of the image when we share an event or need to Facebook/social media. It is cut off and would look better if the platform could share the mobile or a smaller image. I have attached a screenshot.