My teacher gave a list of related postmodern texts. Maybe these can be some help
Being John Malkovich ( that's one heck of a great movie)
Adaptation
The Unbearable Lightness of Being
Momento
Pulp Fiction
Go
Moulin Rouge
The Truman Show
Mulholland Drive (and other David Lynch's films)
Three Colours - Blue, White, Red
Run Lola Run
Natural Born Killers
and as for books
The Name of the Rose - Umberto Eco
Snow Crash - Neal Stephenson
As I Lay Dying - William Faulkner
Midnight's Children; The Satanic Verses - Salman Rushdie
The Eyre Affair; Lost in a Good Book - Jasper Fforde
Tristam Shandy - Laurence Sterne
Lolita - Vladimir Nabokov
The Erasers - Alain Robbe-Grillet
Collected Fictions - Jorge Luis Borges
The Age of Iron - J.M Coetzee
Six Characters in Search of an Author - Luigi Pirandello
She also said that The Simpsons is pretty postmodern.
But if anyone has anything more to add to the list, please do so!