140722-01b - smoke

my trip through UF's formula library continues -- and like an early Christmas, my current folder turns out to be full of gnarl formulas.

I'll try not to linger TOO long. honest. >.>

I rendered both a lighter version and a darker version of this one and have been waffling over which one to upload since. the middle one won out, but I think I'll upload the other two at the end of the month.