Hey Graeme,
Both are such cool images! #1 is my favorite, I like how it's almost fading off on the right side, like this was an old negative you dug up.
With #2, I love all of the detail, and the moss or whatever that is hanging from the hull of that old wreck. And I shouldn't talk, because my skies are never as nicely converted as Alan's or Jameel's, but the color cast in the sky seems off? I am wondering if it shouldn't have still ended up being a shade of gray? Not sure at all, but that's the only question I had with that one.