This may scream 'HDR!' a little bit too much to be a real competition entry but it qualifies and I wanted to share it either way. The clouds were actually really intense looking so it looks more HDR'd than it is.
Camera: Canon EOS 400D Digital
Aperture: f/4.5
Focal Length: 55 mm
ISO Speed: 100
Flash: DNF
Exposure: 1/50th Second
Taken 25th/August 09