Zeppelin logos for the 49ers, Bears, Bengals, Bills, Broncos, Browns, Buccaneers, Cardinals, Chargers, Chiefs, Colts, Cowboys, Dolphins, Eagles, Falcons, Giants, Jaguars, Jets, Lions, Packers, Panthers, Patriots, Raiders, Rams, Ravens, Redskins, Saints, Seahawks, Steelers, Texans, Titans, and Vikings.
Requires Zeppelin, it will be installed automatically.
To change go in the Settings app -> Zeppelin -> Theme