After that just paint and detail to your heart's content. I did some grey and some umber walls, just to have some variety. I had the hay bales just laying around from some other project.
Making them in 6 and 8 inch segments means I can arrange them however I like. I made some "forts" below just for examples sake.
Making all 6 took about 2 hours, not counting paint drying time. Simple, easy sunday project.