To hydraulicjump :
Thanks alot for your C&C. this photo i shot without using ND filter or any colored filter, just UV Filter (as protector for the front part of the lens).
i set my camera :
white ballance day light (-1)
Creative Style : Neutral (as for my self) to get the clearer color for the evening sky
Brightness (-1)
Saturation (-1
Contrast(-1)
Sharpness (-1)
Exposure: 0.01 sec (1/100)
Aperture: f/2.8
Focal Length: 70 mm
ISO Speed: 200
Exposure Bias: 0 EV
Flash: Off, Did not fire
and also using Photosop CS2 to do some color toning, to enhance the dark blue
Image > Adjustment > Match Color > swith on the Neutralize and drag the fade fiture at level 85