Layouts are customized html/CSS (cascading style sheets) scripts that can be added to your Look and Feel and give you a certain look for your site.  Layouts are different from Skins in that layouts must be added to your Look and Feel and modify or 'tweak' your site, rather than build it from scratch, like Skins allows you to. 

• http://help.xanga.com/howcustomizeskin.htm

Unfortunately, we do not have a scripts library.  Because people are becoming more and more creative with their sites, using all kinds of scripts that change everyday, the best thing to do is ask around for their layout you'd like to have.  Most likely they will be more than happy to give you the special script. 

Once you have the script, go here to learn how to apply it:

• http://help.xanga.com/wheretoinstallcode.htm