A lot of the stuff on iStock is good. Here's a window one: http://www.istockphoto.com/photo/white-window-frame-and-wintery-view-22031923?st=bc9de18 http://www.

A lot of the stuff on iStock is good. Here's a window one: http://www.istockphoto.com/photo/white-window-frame-and-wintery-view-22031923?st=bc9de18 http://www.istockphoto.com/photo/white-window-frame-and-wint... Not sure I see the difference between that and Unsplash.