As I said, mood pictures can be effective. Here are a couple I've sold.
http://a04-b04.mypicturetown.com:80/...item.jpg?rot=1
http://www.cavesofcoral.com/PopsPhot.../BigCloud3.jpg
These are from my untouched, uncropped repositories. I did some work on each before putting them out for sale.
I feel one should have some mood pictures in one's repertoire. Sometimes, that is what the customer is looking for. And, when that is the case, the customer is right. :p :D
Pops