Read More... Ewan McGregor in "Trainspotting" (Credit: Miramax Films) “Choose life.” The dirtiest toilet in Scotland. Lou Reed singing “A Perfect Day” as a character overdoses. Running through the street to the tune of “Lust for Life.” Twenty years since it opened in the United States, the Scottish film “Trainspotting” has lodged a handful of great images in the cultural memory.