Playing catch up to Bing, which played catch up to Ask.com, Google launched a way for you to customize the background image of Google.com. So now, if you hate iGoogle but love Google.com, you can customize the background to your liking. Danny has some more history and details at Search Engine Land.
Google Blogoscoped Forums has users sharing their background images. I personally cannot share mine, because I personally do not see this feature yet - it should be rolled out in the U.S. fully today.
But here is a fancy one from TOMHTML:
Forum discussion at Google Blogoscoped Forums.
