The Cartoon Network website has a downloadable screen saver with a count down clock for the new Clone Wars animated series.

There are 4 background images on the page, so keep refreshing.

1 is Obi-Wan in front of a Clone Army
2 is Dooku shaking hands with a Squidhead [Quarren]
3 is Super Battle Droids and Battle Droids marching into battle.
4 is the RED ARC Trooper leading a group of clones and BLUE ARCs.