The pilot reported that he was taxiing to the ramp after landing when he heard ground controllers instruct another aircraft to hold short to allow his airplane to pass. The pilot stated that he moved to the right for more clearance between the other aircraft and his. The right wingtip of the airplane struck a remote communications cart that was placed at the edge of the taxiway. The remote communications cart was being used by the United States Navy's Blue Angels flight demonstration team who were performing at an airshow at the airport. The accident airplane suffered substantial damage to the right wing. The outboard 2 to 3 feet of the leading edge of the right wing was crushed rearward causing damage to the wing skin, ribs, and spar. After the accident, the remote communications cart was moved farther from the edge of the of the taxiway.