Most of the time, the problem is with the formatting of the file, whether the file type is not supported or the dimensions aren’t sized properly.
The required specs for each type of promotion can be found below here!
https://help.atmosphere.tv/hc/en-us/articles/360012009434-What-are-the-specs-for-static-images-
If you have tried to change the file type and/or dimensions but are still experiencing issues, reach out to our team at help@atmosphere.tv.