Poster Offensive was created by Jeff Johnson, owner and creative director of Spunk Design Machine, as a direct response to the re-election of George W. Bush as President of the United States in 2004.

There have been four Poster Offensive shows:

• Poster Offensive 1:
  Frank Stone Gallery
  February 2004
• Poster Offensive 2:
  Frank Stone Gallery
  February 2005
• Poster Offensive 3:
  Frank Stone Gallery
  October 2006
• Poster Offensive 4:
  Black Dog Cafe and Frank Stone Gallery
  October and November 2008