Jason: For the time being, you can add a “youtube” block directly, putting text in the “caption” field below like this:

Your text goes here

Or we could do a side-by-side layout by adding a “columns” block. Set to 2 columns (see right panel). On the left add a “paragraph” block and on the right add a “youtube” block. I’ve set the column widths to 33/67% respectively. I’ve turned off the normal sidebar by setting the “Template” (right panel) to the “No Header/Footer” template. Obviously we’ll need to reinstate headers and footers but not the sidebar, so I’ll need to make a new custom template for that.

Your text goes here.