Complex sentence: In addition to celebrity videos/photos, he marketed other celebrity goods, such as the diaries of Paris Hilton, the nude images of Amber Frey, the mistress of the convicted murderer Scott Peterson.
Split into simpler sentences: In addition to celebrity videos/photos, he marketed other celebrity goods, such as the diaries of Paris Hilton. The nude images of Amber Frey, the mistress of the convicted murderer Scott Peterson.