Links.

http://www.facebook.com/
http://www.smh.com.au/
http://www.digital-web.com/articles/principles_of_design/
http://www.interaction-design.org/
http://webdesignledger.com/
http://psd.tutsplus.com/
http://www.youtube.com/watch?v=6gmP4nk0EOE
http://www.designinginteractions.com/