### Clue: Film screened by Lean, director with odd post-war story (3,3,4)
### Answer: THE TIN DRUM 
 ### Explanation: Definition: post-war story
ET (film) in THIN (lean) + D[irector] + RUM (odd). Novel (originally *Die Blechtrommel*) by the German writer Günter Grass, set in the early 1950s