You may edit them as you wish, but dont remove the Link back to my site.
Non-Premium Skins currently don't have previews. To Preview them go to your "look and feel" and paste the code into your custom header and hit "Preview". After you have the code in your xanga please upload the top image to your own image host and change the image URL in the code to your own.
*Non-Premium Skins*

Yellow - My Xanga Blog

Think Pink

Purple - My Xanga Blog

Purple Haze

Pink - Whatever

Pink - My Xanga Blog

Pink - Love It Or Leave It

Pink - Girls Rule..Boys Drool

Blue - Its All About Me

Blue - Its My Life

Feeling Blue

Green With Envy

Black & Grey - My World Is Fading