How about a background of Santa's workshop with elves busy making toys? It's full of Christmas magic and color.
A scene of a Christmas market with stalls selling gifts and treats would make a great background. It gives a festive and lively feel.
You could go for a scene with the main characters in a festive setting. Maybe a shot of the house decorated for Christmas.
A background of a distant galaxy with millions of stars would be awesome. Or you could have a view of a spaceship flying through a field of stars and comets.
Simple colors like pastels or solid primary colors can work well. Also, patterns like stripes or polka dots can add some fun.
Simple and colorful backgrounds often work well. For example, a garden with flowers or a sunny beach scene.
Well, gingerbread houses are always a classic choice. They look cute and festive, and you can decorate them with all kinds of candies and frosting.
Well, cartoon-themed mugs or plush toys could be great. They're fun and make for nice presents.
Well, one could be 'Why does Santa have three gardens? Because he likes to ho-ho-hoe!'
One joke could be: Why was Santa's little helper sad? Because he had low elf-esteem!
Reindeers are quite common. They're associated with Santa Claus and Christmas.
A snowy village scene can be a great Zoom background for a Christmas story. It gives the feeling of a traditional Christmas setting. Another option could be a cozy living room with a Christmas tree and presents. And a Santa's workshop background would also be very fitting as it is full of Christmas magic.