Major Nelson dropped word that two themes and three picture packs for Crackdown are now available on Xbox Live Marketplace. They range in price from 150 - 160 Microsoft points and are available in all regions except Japan and Germany. The details:

Name: Action Theme
Price: 150 Points
Dash Details: Download the "Crackdown Action Theme" Today

Name: Minimalist Theme
Price: 150 Points
Dash Details: Download the "Crackdown Minimalist Theme" Today

Name: Crackdown Agent Picture Pack
Price: 160 Points
Dash Details: Download the Crackdown Agent Picture Pack Today! Includes 8 pictures

Name: Crackdown Gang Picture Pack
Price: 160 Points
Dash Details: Download the Crackdown Gang Picture Pack Today! Includes 6 pictures

Name: Fun Picture Pack
Price: 160 Points
Dash Details: Download the Crackdown Fun Picture Pack Today! Includes 12 pictures.