bbrowniii, I built the tamiya 222 a while ago (my third build) In the whitewash scheme. I used tamiya weathering sets (which are really the same thing as pastels or pigments) to get the right effect.
There's more pics in the original thread:
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It was an easy, fun kit to build. No fit problems whatsoever. It even comes with PE grenade screens, which really looks great.
*I went back and checked the pictures of the 103c tank in winter camo, but Im not sure ill be able to get those hard demarcation lines on the camo with silly putty. Do you think tape will work? It might be a pain to do, but itll give me harder edges.