This addon is a theme. You need to extract it to your /themes folder to install it.
Custom Vanilla Skins. - Fruit
This is Fruit , a cracking little theme .. based on our popular Press Theme. Enjoy !. If you like it, then follow us on Twitter / Facebook. For every 5 commercial themes we make, we will be offering one Open Source theme to our Twitter/Facebook Followers. To follow us: Twitter Facebook