Directions Unit- Propaganda Poster Props.

In my 4 minute film, I want to convey the sense of the government or law enforcement using subliminal (and not so subliminal) messaging and advertising in order to control and brainwash the world's inhabitants into living exactly the way they want them to.
A way in which I want to reflect this fact is by inserting several poster designs throughout the film. These posters will be placed in backgrounds outside, and even in the character's home. In order to create realistic, glossy-looking posters, something I can consider is getting them professionally printed at a print-shop or ordering prints of them online.
This will of course depend on the price that the posters will cost, and what size I require.

I will be creating my own poster designs using Adobe Photoshop, but here are some examples of some of the designs I want to create: