Adding pictures and links:
1. click the add item and get the picture in either from the media library or direct upload from a file.
2. Click the burger menu (the three dots) and click ‘edit as HTML’
3. You will see gobbledegook. Get the link to your post, and wrap it in the following code:
<a href=”URLHERE”>gobbledegook</a>
<a href=”URLHERE”>
<ul class=”wp-block-gallery columns-1 is-cropped”>
<li class=”blocks-gallery-item”>
<figure>
<img src=”IMAGEHERE”/>
</figure>
</li>
</ul>
</a>