If images are not displaying when you or your students play a deck there are 3 likely causes.
1. Something in your network stack is blocking the Boom image server.
You can also tap this link to see if it opens an image:
If you cannot see the boom logo, you should ask your school IT to unblock access to
2. You may have a SECURITY setting in your browser.
Something like this: https://www.cnet.com/how-to/how-to-hide-images-on-specific-sites-in-chrome/
3. You may have an ad blocker blocking images
If this does not solve your issue... Email us with details about what device, browser, and versions you are using.