STEP 1:
go
here: http://desmoralizar.tumblr.com/post/27379318273
here: http://desmoralizar.tumblr.com/post/34977025928
here: http://d-epreessiva.tumblr.com/tagged/yaskin
or here: http://holy-skin.tumblr.com/skins
These blogs are all in portugese but that's no problem for us.
_________________________________________________________________________________________
STEP 2:
Choose one skin and click on "código" or "code".
If you click on it, it automatically redirects you to scmplayer. The skin you choose is already there when you scroll down and there is a preview of it at the very bottom. Where it says "Custom Skin CSS" should be a link now.
__________________________________________________________________________________________
STEP 3:
Click on "next" and there you can add songs to your player.
___________________________________________________________________________________________
STEP 4:
When you're done click on "next". There you can choose where you want your banner like bottom or top etc.
___________________________________________________________________________________________
STEP 5:
click on "done" and copy the entire code and paste it right under <body> in your html theme code.
You're done.
If you have any difficulties with this just message me :)