You can download your own copy at the official Indiana Jones site, where you can also watch all kinds of fun videos about the making of the new movie.
The poster is by Drew Struzan, whose poster work is legendary. Check out his site at the link.
Head on over to /Film, where Peter Sciretta takes you on a guided tour of Indy posters past.
Indiana Jones and the Kingdom of the Crystal Skull evades giant rolling boulders at the theater near you on May 22, 2008!