If you want to protect the screen or whole body of your iPhone 4S, you now don't have to choose a transparent skin. GelaSkins.com offers very thin skins (less than 1mm) with artwork on them. And, the artwork is not simply prints from famous wallpapers. They collaborate with modern artists to create very unique, contemporary and stylish skins for their customers. There are works of over 100 artists in their gallery showcased as collections.
There is a huge number of artwork on GelaSkins website to shop which exceeds 1000 in numbers. Here is the screenshot from their website to give you an idea what kind of items are waiting for you.
It is also possible to upload your own design and let them print&send the skin for you.
Overall, it is one of the best creative iPhone 4S covers and skins online shop we have ever seen.