Customizing Zune Background
Duncan Mackenzie wrote some tips you need to know for
creating backgrounds pictures for your Zune.
As you
know Zune screen is 240x320, but also has a little zoom
effect when browsing menus, and another size when using TV
out. This article describe all you need to know to create an
appropriate picture :
http://www.duncanmackenzie.net/blog/creating-backgrounds-for-your-zune/