Scenes from the book that weren't included in the movie:
The guy who got AIDS from his girlfriend takes his revenge on the guy who raped her by telling him he drilled sex-holes in his baby boy then killing him with a pillow
The waitress who had periods all in the soup
Begbie kicking his pregnant girlfriend in the cunt
Renton getting his face wanked on by a gay Italian tramp
Renton fucking his dead brother's pregnant wife in the toilet at the funeral and imagining getting a blowjob from the fetus
Spud being used as a bondage slave and getting knocked unconscious with Vicks Vapor Rub all over his cock