Icon time!

Here is some links to useful icon reference.

http://turbomilk.com/

http://en.beijing2008.cn/63/32/column212033263.shtml

http://www.flickr.com/photos/joekral/231669020/

http://stockicons.com/collections

http://www.istockphoto.com/

http://iconfactory.com/home

http://pixelgirlpresents.com/icons

http://www.iconarchive.com/