So you need something like a poster to advertise a rock show, update your FB profile image or print out as a gift for someones wall?

Well it's pretty easy, just follow these steps to make a poster in the style of a Soviet Propaganda Lithograph.
First maybe you should look at some real examples: Soviet Propaganda Research


Step 1: Create a New Document

Step 1:

Open Photoshop and create a new document with the settings 8x10 inches @ 72dpi.

Easy, Yes?
Hilarious example!
Thank you! it was just something which came up in conversation.