How can you create a great Christmas story around a lampshade costume?
Imagine a lonely old man who has an old lampshade in his house. He decides to make a Christmas costume out of it to cheer himself up. He uses his memories of past Christmases to decorate it. He might add pictures of his family from previous holidays. He then goes out into the town square in his lampshade costume. People are initially curious but then touched when they hear his story. His lampshade costume becomes a way for him to share his love for Christmas and his memories, and it starts a trend in the town where everyone starts making more meaningful costumes for Christmas.
First, think about the purpose of the lampshade costume in the story. Is it for a party? A parade? Let's say it's for a neighborhood Christmas parade. A family decides to make a lampshade costume together. They choose to make it look like a Christmas tree. They use green fabric to cover the lampshade, add some fake branches, and hang little ornaments on it. In the story, as they walk in the parade, they meet different people. Each person has their own Christmas story to share, and the lampshade - Christmas - tree costume becomes a symbol of bringing people together during the holiday season.