I believe the best people to learn from are your peers because they're struggling with the same stuff you are &, sometimes, they're the ones who get it right. So, here's a fellow photographer who definitely warrants a mention http://www.flickr.com/photos/lihonger/
And here are some of his photographs that I really liked:-
Don't forget to check out his awesome photostream. I've posted the link above. Just scroll upwards.....Don't be THAT lazy!