@OrionKidder@mas.to I doubt I'll ever own a Mac, but if I were going to use a corporate, nonfree product for this, I would use PowerPoint or Google Slides. Years ago when I used PowerPoint (on desktop, not the sick joke it has become on 365), it did what I needed, easily and well, in almost all cases. For that matter, Google Slides is head and shoulders above Impress, too. I'm committed (at least for now) to creating a workflow and body of teaching materials in FOSS alternatives, so I'll be stuck tearing my hair out with Impress for a while.