The Google.com front page text is the following:

"<Doodle 4 Google>: Your child's design could be our logo
and appear in the National Design Museum"

linking to
http://www.google.com/aclk?sa=L&ai=Crs0ShEeISazyxxxxxjAf965GXDouGxxxxxLDACsHZnNkTEAEgwVRQvd_SyQdguwaqBAlP0KKia1-ufqQ&num=1&sig=AGiWqtzSG-xxxxx1gmGjjKWLpbOFusaGA&q=http://www.google.com/doodle4google
[url modified with adding xxxx]

actually to www.google.com/doodle4google

Wonder if this is becoming more of a permanent feature on the Google homepage, that link.

Also on the Official Google Blog:
http://googleblog.blogspot.com/2009/02/doodle-4-google-tell-us-what-you-wish.html

I got a weird error when looking at that blog post...

http://img23.imageshack.us/img23/5691/googleblogerrorsj9.gif

I didn't get that error, but the page loaded very slowly for me.

Loads quickly here with no errors...

Same here...