Simply Stylish Pages Templates
... Spice up your documents with these Simply Stylish Pages Templates by Foozoo Design. With 12 colors to choose from, you're sure to have something for whatever occasion you're typing for.
Install Instructions: After downloading, unzip the templates to a folder of your choice. Then, open a window in Finder and navigate to your home folder (your username) and then Library -> Application Support -> iWork -> Pages -> Templates -> My Templates. Drag the templates to this folder, open Pages, and enjoy!
Apple's Pages (Tested with Pages '09, but should work with others), Mac OS X (Tested with Leopard 10.5.6, but should work with others)