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.

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

Hopper Weathering Clinic
By Bill Mock
December 2009

Here is the first stages of weathering of my new BN [ ... ]

My layout is called the GREAT WEST ROCKY MOUNTAIN, KENORA-SUDBURY RAILROAD COMPANY. The general scenery is modelled on my hometown, Kenora, Ontario as [ ... ]