First visit Cover Downloads category and press Submit button.
Select a category where the cover belong.
In my case BD UHD 4K
After this press continue
Press Choose File (The cover you want to upload)
After this It´s require a screenshot. Every cover has a maximum width at 1000 (DVD) 900 (BLU-RAY) pixels and label have 500 pixels. Do not try to upload bigger screenshot, the system reject It.
Write the movie cover name at File Name and in Descriptions what kind of cover it is like retail or custom.
In Type press paid and write the price of the file in the field below. And then the cover file dimension in pixels. At last Save & Submit File button.
This is how it looks when the upload succeed.
A closer look a the preview thumb. Congratulation for your first upload. If the upload not meets the requirements and your cover is gone after a moderating check it has probably been deleted because it failed to meet our high standards.