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: 10 minutes
Cook: 20 minutes
Prep: 30 minutes plus overnight or at least 2 hours
Cook: 10 minutes
Prep: 30 minutes
Cook: 20 minutes