Hello there @AlecS110 !
Getting campaigns to look great on both desktop and mobile can definitely be tricky, luckily we are here to help! In regards to images looking larger when viewed on a mobile device vs being viewed on a desktop (Thank you for providing screenshots by the way!) it all relies on the image's size.
We recommend to keep images between 100-150 pixels when uploading them. This size ensures that the images will not be enlarged when viewed on mobile and remains the same small size intended to be on mobile.
I've already resized the two affected photos in your screenshots. In your account please take a look at the campaign titled: Community Support All School Feedback #1 (progress, new, etc)
Send a test of the email and open it up on your device, the images should remain the intended small size you'd like them to be.
If you're still experiencing any difficulties with the images in this campaign please let us know, we can certainly help troubleshoot further if needed!
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