Jesus all the way here.
I know that many of the traditions we lifted from older religions. But I choose to use those which help me to worship my God, and discard those which don't.
We have a tree; I don't worship the tree, nor treat it as an idol. But I marvel at its beauty and thank the Creator for such care and attention to detail. And any scratches from the needles remind me of the wounds Jesus suffered later. The decorations I choose have personal meaning - either specifically Christian symbols, or else reminders of friends and family I don't see for whatever reason (death, distance, separation).
We have lights everywhere because Jesus is the Light of the World.
I'll choose cards with a specifically Christian theme on them; either a bible verse or a scene from the nativity; no jolly Santas or reindeer. I would love the card mentioned up thread though with the shepherds telling the Angels to shut up - many of us Christians do in fact have quite a good sense of humour!
Other decorations - they'll be candles (light of the world), bells (to tell the world the good news), hearts (God is love), nativity scenes (but only ones where Jesus can be removed from the scene until Christmas Eve), greens and reds and gold for new life, blood, and kingliness.
We have stockings first thing, but after that, we do church before we do presents.
We observe Advent, seeing it as a season of preparation, getting ready. Getting the house ready by cleaning and decoration. And getting ourselves ready by clearing out unhelpful habits and thoughts and starting again. Getting ready to celebrate His birthday (and yes, I do know it probably wasn't December 25th, but that's when I choose to celebrate it anyway!) and getting ready for the second coming, whenever that will be.
Oh, and whilst there will be all kinds of Christmas music going on, I prefer carols and Christian-based Christmas songs to to jingle bells/most wonderful time of the year/all I want for Christmas is you type songs.
Still enjoy Love Actually, a Muppet Christmas Carol, Arthur Christmas and others as essential pre-Christmas viewing though!
its a time for feasting. For celebrating. For making small children happy. For showing love to one another. For taking a it of time to pause in wonder at the miracle of the King of Heaven choosing to be made lowly, to come to this world not on clouds of fire but naked and helpless and Loved.