Building a Hawker typhoon

I am nearly finished the basic assembaly I want to put oil stains on it but I don’t know how to so if you could help me [V]

If you check out
http://www.swannysmodels.com/
and go to the tools n tips. It is a great techniques resource website and I have learned a lot from it. (most here will point you to it too)[:D] I hope you will post some pics, I too am building a Typhoon, (Monograms 1:48) I am almost ready for a layer of future! (also described in Swanny’s techniques)