The challenge was to make some images that could be used as backgrounds for a slide presentation. I have always advocated that a slide presentation,
Powerpoint seems to be the standard term for one though I naturally prefer to use Keynote on my Mac or iPad,
should be more images and less words. Let the images tell as much of the story as possible or at least colour the discussion.
The Harvard Business Review has a good little story about presentations. “The Glance Test” Could be worth a look.
Aside: I once saw a presentation where the speaker had used a series of paintings by Bruegel (look him up) for his presentation. No words, just the pictures, then he used the sections of the images to mark his points. It was very clever. If you got bored with the content, the pictures were interesting.