If you want to be more ‘green’/’eco’ or you are tired of the same look of google site check those. I am not sure how much they are helping to save some energy:
- Searchincolor — you can choose your internet search color scheme
- jabago — black google search engine
- google black — helps you to save 3,000 megawatts hr a year
- earthle — save energy, save the earth (black/green)
- ninja — black google custom search