to reproduce:
=============

1) enter MyMusic
2) enter any mp3 album folder where no coverart has been downloaded
3) press <F3> to launch an allgame lookup
4) select the best matching album
   => Detailscreen appears
5) press <ESC> to quit the detail screen

=> thumbnails are not displayed


h4. Additional Information
Workaround:
============

Workaround:
a) close and re-open the folder
or
b) restart MP

=> should be a buffer-refresh problem!