From the Homepage, click on Wedding Website at the top, then Manage Your Website from the dropdown menu. While on your Wedding Website Dashboard, https://www.theknot.com/gs/dashboard?cookieredirect=true, within the Home tile, hover over your cover photo, then click Delete
From there you should be able to click Add Cover Photo to add a new cover photo, select the image file you would like, then adjust the cropping if needed, then select Crop Photo. You should see your Cover Photo update immediately.
If your screen loads continuously, you likely need to either select an image of a smaller size, or resize the image you have. If you would like assistance with uploading your image, feel free to submit a contact form and we are happy to help!