How to Fix Broken Images in Canvas "New Quizzes"

This faculty workaround should fix an issue in New Quizzes when students say they can't see an image on your quiz, even though you can see it just fine. I'll take you through how to upload images to "user files" (aka "My Files") and then insert it into a quiz question.
If you find this really annoying, contact your Canvas support and let them know it's not working!
More details are in this Canvas Community post: community.canv...