Continuing the discussion from Shoutbox!:
Some nice shots there. The sky is a little washed out, that is what I was always frustrated with when it came to daytime shots, especially since our sky tends to be that white-ish grey more than blue. Do you have Lightroom or something that you can use to adjust the shots a little? It has a rather handy neutral grad filter option where you can darken skies in 10 seconds (as well as hundreds of other things).
I took this one on Friday from my local station: