You can now download missing covers for all your movies with a simple click in the MediaPortal Configuration. Inside MediaPortal you can easily update the current cover for your selected movie with a newly added option in the context menu (F9).
Description of Change
The button to download missing movie covers can be found in MediaPortal Configuration > Videos > Video Database > Editor > Coverart
To refresh the current cover of a movie inside MediaPortal you have to open the context menu (F9) in shares view or if you are in database view open the details view of the movie (F3) and then open the context menu (F9).