Okay
  Print

How to replace images in the Animated Presentation Creator

If you'd like to replace the cartoon images with 'real people' for example:
... simply upload your own images (using the 'replace' menu in either Powerpoint or Keynote)

Here, watch this:
https://support.office.com/en-us/article/replace-or-delete-a-picture-in-microsoft-office-f50c4431-a785-49d1-9ee5-a732947cbf1a