http://blog.beetlebugsoftware.com/post/104154581/face-detection-iphone-source#disqus_thread

http://iphonedevelopertips.com/

http://cocoawithlove.com/

http://www.fieryrobot.com/blog/

http://www.iphoneflow.com/

http://www.insanelymac.com/forum/index.php?showtopic=95195

http://www.71squared.co.uk/2008/12/custom-button-in-uitableviewcell-indexpath/