Hello serendip1959
1;
Ok ,I'm bit rusty ,but if I remember right ,
the background from A+D are controlled by Theme Editor / Colors / Window
2;
Now playing list can have 2 objects,
Theme Editor / Objects / VirtualTree / NowPlaying Even and Odd,
also in some cases the sdb_background_list.bmp inside the skin file!
I hope i could help you .
Screenshots are very helpful for Skinning questions