I like that sky in this one, I might have tried to use the selection tool in photofiltre and draw a line along the edge of the sky down to the building, and tree tops so that I could give a bit more saturation to the sky.
Our agent SAS [tigs] gives best advice. I agree with her unconditionally... We are here to help and learn and develop our skills with one another's help and advice. SAM & SAAB