You can change the font type and size in the skin file
Left-click the album art to play that song. This will open the window of the default media player and escape the order of any loaded playlist
To remember more songs, you must change both the "Total" variable and manually add more meters in the given pattern included in the skin file
At least 2 songs must have been played for the list to appear, because this does not display the current track info
The list resets when the skin reloads. Use a Lua script if you really need to store something across sessions