A premium theme for Halo 3: ODST is now available on Xbox LIVE on Oct. 22 free of charge for all Xbox LIVE Gold subscribers.

“ODSTs aren’t the only ones getting their hands on upgraded gear to prepare for the upcoming Firefight. Available only for a limited time and free of charge for Xbox LIVE Gold Subscribers, this expertly crafted Halo 3: ODST Premium Theme will get your Xbox 360 ready for a combat drop into the city of New Mombasa.”

A premium theme for Fallout 3 will be released on Xbox LIVE on Oct. 1 free of charge for all players who have purchased all five Fallout 3 Game Add-ons by September 22. Gamers who have purchased all five Game Add-ons (via DLC, English only), including Operation Anchorage, The Pitt, Broken Steel, Point Lookout and Mothership Zeta, will receive a token from Microsoft to download the theme for free starting Oct. 1.