Google.com added Custom Background Image to its search engine interface. You can add your personal images or can select from a public photo stream. Great Pictures Great Effects. So Bing,Google and Ask are look like the same in the interface. Wait and see who will win.
To add custom image to google.com just login into your google account[gmail account]. Open google.com on the left bottom there is a link will appear to add the image. on click you will get a pop up box from that you can select the image. Just Try Have Fun…