apart from this show's episode, has he worked on another tv show/film?
Yes, "Out of This World"
Brian Scully
Scully initially worked as a TV salesman before eventually getting a job writing on "Out of This World". 
family guy the bird is the word episode UNANSWERABLE how is 'i dream of jesus' related to family guy? It is the second episode in the seventh season of the American animated television series "Family Guy". who directed this episode? Mike Kim what are some of the names of the characters appearing in this episode? Peter, Lois, Stewie, Brian, Chris and Meg what is the storyline of this? Peter finds Jesus Christ working at a record shop, and convinces Him to make his second coming. who wrote this episode? Brian Scully what was the overall feedback received from the critics/viewers after watching this episode? According to Nielsen ratings, "I Dream of Jesus" was the most-watched program on Fox the night it originally aired -watched by 8.4 million viewers, and earned a 4.3/10 ratings share in the 18–49 demographic. what is the profession of the person who wrote this episode? He is a television writer and producer.
wiki:10594737
Brian Scully [SEP] Introduction
Brian Scully (born August 10, 1953 in West Springfield, Massachusetts) is an American television writer and producer. Scully initially worked as a TV salesman before eventually getting a job writing on "Out of This World". After the show was canceled, Scully was unemployed for over a year but a residual payment of $20,000 for "Out of This World" reruns helped pay his health insurance costs after his wife gave birth to their premature child. He has written episodes for "The Simpsons" (such as "Lost Our Lisa") and "Complete Savages". He has produced "The Drew Carey Show" and "The Pitts". He is the older brother of long-time "The Simpsons" writer and showrunner Mike Scully, and has a second brother called Neil.