Good sites for PSDs are:
http://www.italianpsd.net/ (Need to create an account, but its free)
http://www.psdprotocol.com/
http://www.psdspy.com/ (not as good as the other ones, but they do have some)
http://www.surrealdesignz.com/psds.php
Get Photoshop, and things will get easier for...