
Rickster,
I don´t know if this will work in 1/48 and 1/32 - I used it for my 1/72 "SP" Block-50. I simply took some thinner and the color "tyre black" and applied it with a regular mid-sized hand held brush.
http://www.f-16.net/f-16_forum_viewtopic-t-12364.html
Greetings,
Henrik.