Jim/Blair, Blairs mother comes to visit around the Christmas season. Naomi being Naomi, she doesn't celebrate Christmas, but something possibly more obscure (if at all).

If you don't feel comfortable writing Naomi (she isn't really ensemble cast, I don't remember if she even shows up or if her characterization is fanon...):

Jack/Ianto, Counting Stars verse, eggnog.

Happy Holidays =)