Sorry, if you are getting bored with these, but I am collecting them for my own reference...
The sheer beauty of the logic and clarity of them fascinates me.
If you do wanna see more, here's where I am stealing most of them from:http://www.ecrater.com/product.php?pid=4789271
And here's some more thanks to Smax!
http://indubeed.blogspot.com/2010/03/blog-post.html
