There was a total of 56 new NFL/NBA themes released to Xbox Live Marketplace recently for Xbox 360 owners to enjoy. The themes are derived from Madden NFL '07 and NBA Live '07.
Arizona Cardinals, Atlanta Falcons, Baltimore Ravens, Buffalo Bills, Chicago Bears, Cincinnati Bengals, Cleveland Brown, Detroit Lions, Green Bay Packers, Houston Texans, Jacksonville Jaguars, Kansas City Chiefs, Miami Dolphins, Minnesota Vikings, New England Patriots, New Orleans Saints, New York Giants, New York Jets, Oakland Raiders, Philadelphia Eagles, San Diego Chargers, San Francisco 49ers, St. Louis Rams, Tampa Bay Buccaneers, Tennessee Titans and Washington Redskins
Atlanta, Boston, Charlotte, Chicago, Cleveland, Dallas, Denver, Detroit, Golden State, Houston, Indiana, L.A. Clippers, L.A. Lakers, Memphis, Miami, Milwaukee, Minnesota, New Jersey, New York, NO/Oklahoma City, Orlando, Philadelphia, Phoenix, Portland, Sacramento and San Antonio
NFL themes are only available in Australia, Canada, New Zealand, United Kingdom and the U.S. The NBA themes are available in all regions. Cost is 150 points per theme.