A lot of them were adopted by the christians for Christmas. The 'Christmas tree' was once the Yule tree.
But I have an alter already and that is where I meditate, as well, it will be made more festive. The goat... I think instead of sacrificing it, I will simply gift one to Thor. We give presents, usually nature based, and give back to nature, I already have a few old seeds that I would like to see if AJ could plant. There's burning of the Yule log, and the celebration of candlelight. And the feasting of course.