The oval picture on the wall in the Gilberts' home is Charles DickensCharles Dickens.
Granny Nezzer tells Mr. Nezzer that he will have a vision - a deliberate departure from the ghosts of Dickens' Christmas Carol. Ghosts were deemed to be inappropriate in a Christian kids' video.
Although this film was produced and released after The Star of Christmas, that story was actually written later, as a sort of prequel. The two were written as a matched set of "bookends" for the two most important holidays in Christianity.