GREAT NECK - Jets fans across the Island are showing off their creativity as they await Sunday's AFC Championship game against the Pittsburgh Steelers.The bagels at Lynbrook Bagels are a gorgeous green in anticipation of the game. Kaitlyn Clancy, the store's co-manager, calls herself a die-hard Jets fan since the age of 6. The store got put on the map two years ago when Michael Clancy, the other co-manager and a New York Giants fan, came up with blue bagels for one of their big games.In Great Neck, 24-year-old Matt Fox produced a rap song called "Rex's Gang Green" that features 19-year-old Sean Henry. The song was introduced on WFAN Radio. The game begins Sunday at 6:30 p.m. The winner will face either the Green Bay Packers or the Chicago Bears in the Super Bowl.