On a day like today, I like to go check out the background picture on Bing.com.  They did not let me down, showing a truly awesome overhead shot of the USS Arizona memorial:

Then, I decided to would see how Google decided to commemorate Pearl Harbor Day:

I happen to remember that Google once changed their logo for some muppet-related cause.

Please vote with your search engine use.

Use Bing - their background picture is almost always awesome anyway.