Buddy Icons:
AIM icons require AOL Instant Messenger to be installed and open for installation to be successful. Download the program here. Click an icon to install.

Wallpapers:
Choose your browser resolution underneath the wallpaper you would like to use, then do the following:
PC: Right click on image and "set as wallpaper" or right click on image and select "Save Image As..." and select your "My Pictures" folder inside "My Documents." Then right click on your current desktop photo, select "Properties" and choose the picture from the list.
MAC OSX: Drag the image below off onto your desktop. Go to System Preferences. Go to the Desktop icon and open it. Choose the Collection drop down and Choose Folder to find your new X2 Wallpaper on your computer.
MAC OS9: Drag the image below off onto your desktop. Go to your Control Panel and choose Appearance. Click 'set desktop' and choose your newly downloaded image on your desktop.