When you throw a baby shower, it's really great to get a nice theme going. I find the easiest way to do this is to find some baby shower clipart that looks great, but isn't too complicated.
Glue the Christmas images on a sheet of colored construction paper. You can also write the child's name in bright colours or glitter glue, or add a photo of them to the scrap picture collage, so that they can easily tell which mat belongs to them at mealtimes when they set the dinner table.
Avid scrapbookers will tell you how much they love to add vintage graphics and images to their scrapbook pages. You can easily download free vintages clipart images depicting different people, times and places in history. Vintage advertising art or greeting cards are a popular downloadable scrapbook item, along with public domain book art.