Update the og HTML tag with a new image

[danking6]

The og:image meta tag on the landing page contains a link to an old style wall display.

<meta property="og:image" content="https://dakboard.com/img/product-photos/wall-display-side.jpg" />

This image is used when linking to our site on FB and other services:

We no longer sell this Wall display and the image should be updated with something new.