His posters can be found online and at many music festivals around the United States, in modern art museums, and as well as the covers of CD albums.
He started as an amateur designer making collage-based flyers for the small Berkeley club The Ramp.
Munn's artwork started getting recognized after the band Death Cab For Cutie, asked him to create posters and T-shirts for them.
[2] His work usually consist of the same objects; records, cameo-style profiles/heads ,nature images, television, telephones.
[3] Some of his most loyal clients include: Alamo Drafthouse Cinema, Andrew Bird, The Books Chronicle Books, Criterion Collection, Death Cab For Cutie, Flight Of The Conchords, Insound Levi's, Mark Kozelek, Modest Mouse, The National New York Times Magazine, Noise Pop Festival Patagonia, San Francisco Museum of Modern Art, Sonic Youth, and Wired.
[1] In 2010, Chronicle Books published "The Small Stakes" which focuses on Munn's posters created from 2002–2009.