Simple and effective

Thank you for making this and putting it out for free. It isn’t easy to find link preview features sometimes.

Even if it has to be a pro/paid version, you might think about finding a way to have the link preview’s image uploaded to wp-content uploads and then served from there. I’m sure that’s not super easy to do, but in order for this to work consistently and work well on larger sites, the images need to get cached or hosted within the same WordPress installation.