Brokerage @home Real Estate is giving out a gift designed to bring back warm memories of the services provided by the company and its agents every time the holidays roll around: Christmas tree ornaments that commemorate homes that its agents have helped clients buy or sell. The Alexandria, Va.-based firm, winner of the latest #madREskillz contest, custom designs each ornament with a hand-painted image of a client’s home or former home on one side, and the @home logo on the other. “It’s designed to be like a keepsake that they will always treasure,” said @home agent Peggy Kammen, who cooked up the idea when brainstorming Christmas gift ideas with colleagues. “They will find the ornament and go, ‘Oh, yeah,’ and hopefully that will spur a lot of great memories of the time...