Ant writes "Via TheForce.Net, a StarWars.com article with a great list of Easter Eggs from the third prequel movie, Revenge of the Sith. There were many cameos and hidden images." From the article: "
It's tiny, but visible enough to send a warm fuzzy through the hearts of original trilogy fans. In the establishing shot of the expansive Senate docking bays, there's a tiny Millennium Falcon easing into frame. And it's not just a non-descript Corellian freighter; it's on good authority -- namely George Lucas -- that this is the infamous hunk-of-junk before it came into the ownership of either Lando Calrissian or Han Solo."
One has to look out for engineers -- they begin with sewing machines
and end up with the atomic bomb.
-- Marcel Pagnol