This shot was taken at Point Arkwright near coolum on an overcast morning. I was fortunate earlier on in the morning that the sun peaked through the clouds and added a bit of colour. This was taken a bit later on and the colour had gone. The use of a Lee Big Stopper provided the blue/silver tinge.

Canon 5D Mark II
Canon 17-40 f4L
20 sec, f11 @ 17mm ISO 100
Lee Big Stopper
Lee 0.9 Hard Grad