Films:

Indiana Jones & The Kingdom of the Crystal Skull (2008) - Valley RR #97, various passenger coaches. Coach #503 featured.

It Happened To Jane (1957) - Engine #3016 (scrapped)

Surviving steam locomotives:

Valley RR #40 (2-8-2, 1920) - Restored & operational in Essex. 

Valley RR #97 (2-8-0, 1923) - Restored & operational in Essex. 

Valley RR/New Haven RR #3025 (2-8-2, 1989) - Restored & operational in Essex. 

St. Louis-San Francisco #1352 (2-8-0, 1912) - Recently purchased, being restored to operation.