Here you can select the number of cards to be placed in a row for each of supported screen resolutions. Your current resolution is highlighted in this way.
Use the menu along the top of the screen to switch between "Producer", "Competition Entries" (Products), and your "User" profile.
If there is no Producer listed, or you want to add a Producer, use the "Add new" button to add a Producer.
To review or edit an existing Producer, click the to the right of the Producer.