Add detail to boxcars with open doors.  Add some crates, boxes, tarp load, or figures to your boxcars that have open doors.  There are even lumber, barrel, or bag loads you can place into an opened boxcar.  You can even add a fake wood flooring to add more detail.

Well here goes nothing. I bought a MTL F-7  trainset, a GP-35 trainset, also a Marklin 81466  Micado steam loco set.I also got 2 packs flex track [ ... ]

So there I was..had my speeder all painted and glass in the window and everything dull coated and figure inside and..hunky-dory.
I went to LHS becasue [ ... ]

This is the first mainline run without any of the extras.