Right-click and choose "Save Target As..." to save a Timekeeper skin (.TKS) file to your device.
After downloading, open up ActiveSync and click "Explore", and drag the TKS file to the device's directory.
Then, in Timekeeper, tap Tools->Choose skin to pick the new skin.
Skin Authors! Here's how to make a skin.
Activity files (.TKA) can also be shared. Please submit files for the Timekeeper gallery
Timekeeper 2 is bundled with 7 skins not pictured here. These skins were developed for Timekeeper 1.X.