I think pdelahunty had the same issue as I'm having. I'm testing out how to create word docs using the Populate a Microsoft Word template. I've included several columns - mostly Single line of text, but also Date and time, and Image.

This is the list of columns:

When I create a New Word document, Editing > Open in Desktop App, and try to Insert > Quick Parts, Document Property, none of the Image columns are listed.
I can add a picture content control to the template, but then in Power Automate, Populate a Microsoft Word template, the picture content control shows as a field, but the dynamic content does not include any of the image columns.
Am I/are we doing something wrong? Is this a known issue?
Regards
Nick