Hi Pete,
I think your photography is really inspiring. I found your site from looking up HDR. Also inspired by the fact that your using a 30D and not a full frame 1DS series. By the way do you use 'Aperture'?

It's a shame you can't get the clouds to move at will, but you've still found a great picture there. I'll Keep checking back at your site for inspiration. How to turn any scene into a great picture, you just do it.

Nathan