The HTML Web programming language doesn't offer a specific tag for adding a caption to an image. While it has a tag, it's for adding a label to a table – not for images.

The following code adds the image HTML code to the post: Replace the PNG file name with your thumbnail image. The image can be one on your website or an external image website.

That's obviously not a recreation of the supplied mockup image, but it provides a great head start. I asked my in-house Copilot how long it would take a user to code all that up by hand and it ...