Reply #1 Top
Here is a tutorial
http://frisbeemonkey.com/winamp3/tutorial/index.php

Despite being a tutorial for Winamp3, it does quite well for Winamp5 as well.
Reply #3 Top
download a winamp.wsz skin file change the .wsz to .zip open/extract and you'll see the images used to make the skin. That's how I learned anyway.