show album thumbnail (if it exists) when playing an audio song
-rwxr-xr-x 15432 LICENSE.GPL
drwxr-xr-x - guilib
-rwxr-xr-x 1273 keymapping.txt
-rwxr-xr-x 6486 xbmc.sln
-rwxr-xr-x 23701 xbmc.vcproj
drwxr-xr-x - xbmc