Funtasticus has a long list of WW2 propaganda posters.
Categories
- ARG (6)
- Commentary (275)
- Conventions (9)
- Cool (52)
- Game Design (198)
- 23rd Letter (16)
- Supers (3)
- CONTROL (6)
- Frontier (41)
- HyperLocal (2)
- Prospero (6)
- Narnia (1)
- Two Worlds (3)
- Qabal (20)
- Saur (1)
- Status: Refugee (6)
- The Great Game (3)
- Viride (15)
- WotW: Earth (29)
- 23rd Letter (16)
- GM (101)
- ALIEN (2)
- Ars Magica (2)
- Doctor Who (5)
- Humanydyne (1)
- Jorune (1)
- postWar (2)
- Smallville (1)
- Sobaki (1)
- Solo (5)
- Tales From The Loop (3)
- Traveller (4)
- Twilight 2000 (9)
- WatchTower (24)
- WildTalents/Godlike (11)
- Zombi (13)
- In-Character (29)
- Industry (71)
- Archaeology (1)
- Art (8)
- CrucibleDesign (25)
- SNCC XDO (3)
- The 23rd Letter (6)
- Zombi RPG (3)
- Ireland (2)
- Layout (6)
- Merchandise (1)
- Printing (4)
- Writing (11)
- Making Movies (1)
- The 23rd Letter (1)
- Out-of-Character (21)
- Review (28)
- Scriptwriting (1)
- Technology (2)
- TTN (10)
- Videogames (14)
Here’s a smaller but less US-centric selection:
http://wopr.stanford.edu/propaganda/