Google has been ramping up their doodles lately and had a huge hit with the guitar. Here's a list of some of their best since starting them in 1998.
The crudely drawn homepage doodle was hardly impressive. During the years following, namely 1998-2008, the homepage Google Doodles were very simple, and hardly blogworthy, iterations where in most cases one of the letters was replaced by an object or a small drawing was added to the logo.
check them all out at If It's Hip, It's Here