Thank you very much, frankz, but you're right, too. I can change the priority of the artwork for all tracks no. 2 and higher and it works perfect. But if I change the priority of the artwork for track no. 1, then the shown artwork in the main panel change also.
A setting or option, which rules this behavior, would be nice. Perhaps it would be possible by using the different cover types. Is there a chance to get this into the development?
How can I wright to Steven, how can I reach him?