Brainstorm some different themes of Christmas.
-holly
-ivy
-mistletoe
-Santa Claus
-milk and cookies
-Rudolf the Red-Nosed Reindeer
-the 8 others that everyone seems to forget about
-eggnog
-bah humbug
-the Grinch
-the elves
-Santa's workshop
-Jesus's birth
-presents
-last minute splurging
-snow
-Christmas lights adorning houses
-annoying Christmas music that plays relentlessly
I could keep going for a year tbh.
Anyways, hope I helped at least a little m8.
Good luck!