Executive Producer Matt Swanson has a cameo as the salesman on one of the television commercials before Gwyneth flips to the Christian Mingle commercial. His lines are: "...stop it, stop being poor... now buy my book!"
The television show that Matt (Corbin Bernsen) is watching is The Young and the Restless (1973). The actress speaking is his late mother, Jeanne Cooper.
Corey Feldman, who was Lacey Chabert's spiritual advisor at the time, pleaded with her not to do this movie, and do the Lost Tree instead. She ended up doing both.
The church they visit with his family is a Catholic Church, easily shown by the crucifix above the altar. Most other Christian denominations only display the cross. The Stations of the Cross is another clear giveaway.
The logo for Bill's development/building company mentions 1 Corinthians 3:10-11. The text for this Bible verse reads: "(10) By the grace God has given me, I laid a foundation as a wise builder, and someone else is building on it. But each one should build with care. (11) For no one can lay any foundation other than the one already laid, which is Jesus Christ."