I think this is a great Article about settings. I reccomend this article to anyone who wants to create a good setting.
http://www.thefreerpgblog.com/2009/12/how-to-turn-your-stock-fantasy-rpg-into.html?m=1
http://www.thefreerpgblog.com/2009/12/how-to-turn-your-stock-fantasy-rpg-into.html?m=1