here's a few examples I just found quickly on google, just to give an idea.





http://www.merzeta.com/photos/20090121171952-Martin-Wallgren.jpg


http://www.pbase.com/cjsouthern/image/108018339/original.jpg


http://farm4.static.flickr.com/3180/2747118353_2cbe23cc6b.jpg