These are both products of Shepard Fairey, a contemporary graffiti artist that just recently gained the attention of more mainstream audiences. He is most famous for his Obama "HOPE" posters that look like popart.
Drunk driving prevention poster:
- colors used: black (symbolizing mourning/death), red (provokes strong emotion), orange (caution), green (health)
- use of victims of accidents in most preventative posters
- "Drunk driving: over the limit, under arrest."