Question: Which 2004 British horror comedy film directed by Edgar Wright is Litza Bixler best known for?

Context paragraphs:
Aaaaaaaah!: Aaaaaaaah!  is a 2015 British horror comedy film written and directed by Steve Oram.  The film contains no dialogue, with the cast communicating entirely in animalistic grunts.  It premiered in August 2015 at London FrightFest Film Festival.  In 2016 the film was released on DVD, Blu Ray and VOD on Icon Productions's Frightfest Presents label

Dead Right (film): Dead Right is an early short film by Edgar Wright, later famous for the TV programme "Spaced" and the film "Shaun of the Dead".  It was filmed in 1992 and 1993 in his hometown of Wells, England when Wright was only 18.  He wrote, edited, produced and directed the film as well as shooting and recording the sound.  It is a Zucker Brothers-style comedy that parodies the action thriller genre, most notably the "Dirty Harry" series ("Dead Right" was the working title for the original "Dirty Harry").  The film is shot on SVHS and contains an impressive cast of 70 actors (mostly amateur), mainly made up of Wright's school friends and colleagues.  Clips from the film were first broadcast on "Take Over TV" – the Channel 4 series consisting entirely of video clips sent in by viewers – that also launched the careers of comedy duo Adam and Joe.

Shaun of the Dead: Shaun of the Dead is a 2004 British horror comedy film directed by Edgar Wright, written by Wright and Simon Pegg, and starring Pegg and Nick Frost.  Pegg plays Shaun, a man attempting to get some kind of focus in his life as he deals with his girlfriend, his mother and stepfather.  At the same time, he has to cope with an apocalyptic zombie uprising.

The Monster Club: The Monster Club is a 1981 British horror film directed by Roy Ward Baker and starring Vincent Price and John Carradine.  An anthology film, it is based on the works of the British horror author R. Chetwynd-Hayes.  It was the final film from Milton Subotsky who was best known for his work with Amicus Productions; Amicus were well known for their anthologies but this was not an Amicus film.  It was also the final feature film directed by Baker.

Mother Riley Meets the Vampire: Mother Riley Meets the Vampire, also known as Vampire Over London or My Son the Vampire, is a 1952 British horror comedy film directed by John Gilling, starring Arthur Lucan and Bela Lugosi that was filmed at Nettlefold Studios.

Hot Fuzz: Hot Fuzz is a 2007 action comedy film directed by Edgar Wright, written by Wright and Simon Pegg, and starring Pegg and Nick Frost.  The three and the film's producer Nira Park had previously worked together on the television series "Spaced" and the 2004 film "Shaun of the Dead".  The film follows two police officers attempting to solve a series of mysterious deaths in an English village.

Litza Bixler: Litza Bixler (born 25 August 1970) is an American and British film choreographer, Artistic Director and Writer.  She is best known for her work with Edgar Wright<ref name="Wright/Pegg/Frost Interview"> </ref> on "The World's End", "Scott Pilgrim vs. the World" and "Shaun of the Dead".  Other films with the Wright/Frost/Pegg stable include Nick Frost's salsa comedy "Cuban Fury" and the romantic comedy "Man Up" (starring Simon Pegg).

Ripper 2: Letter from Within: Ripper 2 (US title: Ripper 2: Letter from Within) is a 2004 British horror film directed by Jonas Quastel, starring Erin Karpluk and Nicolas Irons, and is a sequel to "Ripper".  It was written and produced by John A. Curtis and Pat Bermel.

Zombie Women of Satan: Zombie Women of Satan is a 2009 British horror comedy film directed by Steve O'Brien and Warren Speed.  It was written by Warren Speed with contributions from Seymour Mace and O'Brien.  Speed, Victoria Hopkins, and Christian Steel star as a group of circus freaks who must combat zombies and cultists while trying to rescue a captive.

Abigail Hardingham: Abigail Hardingham (born 1991) is an actress, best known for BBC Drama The Missing (2016) and British horror comedy film Nina Forever, for which she won the award for Best Newcomer at the British Independent Film Awards in 2015.

Supporting paragraphs: Litza Bixler Shaun of the Dead
Answer: Shaun of the Dead