Hi @CynthiaN.028, thanks for reaching out! I'm sorry to hear you're having issues getting your course image approved. Our Trust & Safety team is best equipped to help you with this, they'll be able to provide you with actionable feedback on what needs to be changed in order for the image to be approved. I recommend following up with them at firstname.lastname@example.org with any questions or concerns you may have - they'll be more than happy to further assist you!
In the meantime, feel free to check out this article which includes a few guidelines and quality standards for course images on Udemy.
We're excited for you to get your course published on Udemy soon. Best of luck!