The colour tone of this picture comes from having manually set my camera’s white balance the previous evening for twilight.
(full 3456 x 2298 version on Flickr)
Three EOS 350D pictures exposed at -2,0,+2 and HDR-merged in Photoshop. You can clearly see the double-waves from the multiple exposures that have been merged in this picture.
(full 2286 x 2294 version on Flickr)
(full 5879 x 3329 version on Flickr)
Llangrannog