Advice please

[Roba]

I've had my D7000 for about a year now, and feel im starting to get an understanding of how things are brought together to get a picture.
I enjoy motorsport, but im also heading into the hills too try my hand at landscape.
I don't have any filters or a CP, and as seen below i've been experimenting with longer exposurers on the rivers.
I've left post production alone so far, as i thought i would concentrate on the camera first.
So i would appreciate someone giving the picture a bit of PP if possible, Nothing fancy just a buff and polish. I've only shot in JPEG so far but understand i need to go RAW to get the full benifit.
If you could give a rough overview of what you've done as well that would be great.

Cheers Rob

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DSC_8896 by robalexander21, on Flickr[/img]

F11
1/1.6
iso 100
24mm
white balance cloudy