But personally I feel the only thing that makes this different from adsense custom search is that adsense custom search does not allow more than four websites to search, but on the other side in adsense we can choose atleast the colors. Have a look at a custom search engine I have made.
Build and customize your own search engine
- Specify the sites you want to include in searches.
- Place a search box and search results on your website.
- Customize the look and feel to match your website.
- Invite your community to contribute to the search engine.
- Make money from relevant ads in your search results.