3rd Party Presidential Candidates Campaign Buttons. Welcome to the 3rd Party Presidential Candidates section on campaignbuttons-etc.com. Pictured here are campaign buttons for 3rd Party presidential candidates both present and past. For 2016 there is a campaign button for the Libertarian Party ticket of Gary Johnson for President and Bill Weld for Vice President. For the 2016 Green Party there is a campaign button for Jill Stein. For 3rd Party candidates from past elections there are campaign buttons here for Ross Perot 1992, John Anderson 1980, Lester Maddox 1976, Henry Wallace 1948, George Wallace 1968 and a host of others.