Theeemer is utility that makes it easy to change the look and feel of the Asus Eee PC easy mode interface. You can change the backgrounds for the home, internet, work, learn, play, settings, and favorites screens, and even the login screen. ANd the program will also change the colors of the taskbar and program toolbars.
If you also want to add or remove programs from the easy mode or change program icons, check out Asus Launcher Tools.
