I always think that Christmas Cakes aren't really right until they are decorated. Decorating the cake is very much an individual thing, I vary mine every year. I like to get my eldest daughter in on the act, she loves shaping and eating the icing. Below I have included a few ideas to get you going.
Prep: 5 minutes
Cook: 3-5 minutes
Prep: 10 minutes (plus 1 hour standing time)
Cook: 10 minutes
Prep: 5 minutes
Cook: 5 minutes