weather

Hi all! Took a break last night from the layout construction to repaint a new shay I got on the roster" Wanted to get this closer to the West Side shays of the past. Next step might be painting the front white, but that might be a bit trickier. Did a dry brushing method for the dirt effects...

In my high school wood shop class I am building a wooden bridge for my ho layout. the trusses look like this :http://www.modelersdepot.com/katonscalesd70acebnsfswoosh9378-1-1-1-2-1-2-2-1-1-1-1-3-1-1-1-1-2-2-1-1-1-1-1-4-1-1-2.aspx I want to weather it to age it a bit. what techniques can i use...