While I did not use any sort of wash because I have no experience with it, I did pick up a silver pencil and a burnt umber pencil for some fine detailing. I made some chips and lightly went over some panel lines with the burnt umber and I feel like it has a decent looking effect so far. Let me know what you guys think, I put 3 new pictures in the D.520 album (the last 3), two of them show the wing that I have "weathered" and one shows the other "un-weathered" wing for comparison. Comments and criticism much appreciated.
http://picasaweb.google.com/Schlissefahrt/D520