https://everyoneinla.org/poster-sign-up/ -fill out the form to get a Free Everyone In Poster from United Way of Greater Los Angeles.

https://americanhistory.si.edu/smithsonian-jazz/jazz-appreciation-month/jazz-appreciation-month-posters -scroll down and click the request button to get a Free 2019 Jazz Beyond Borders Poster.

https://www.weareteachers.com/everyone-is-welcome-here-poster/ -click the poster button and fill out teh form to get a Free Everyone is Welcome Here Poster for Teachers. School name required.

http://www.poets.org/national-poetry-month/form/poster-request-form -fill out the form to get a Free 2019 National Poetry Month Poster

https://nrcspad.sc.egov.usda.gov/DistributionCenter/search.aspx?Keywords=poster -select the posters you want and click the shopping cart buttons to get Free Posters from the USDA.

https://www.nhl.com/sharks/fans/sharks-territory-sign-order -fill out the form to get a Free San Jose Sharks This is Sharks Territory Sign.

https://pueblo.gpo.gov/TN/TNPubs.php? -click add to cart and checkout to get a Free Dig In! Poster Set from the USDA.

https://akonadi.org/gallery/request-poster/ -fill out the form to get a Free Akonadi FoundationRacial Justice Poster.

https://www.peta2.com/save-animals/free-peta2-iphone-app/ -download the Peta2 App for iOS or Android.  You can earn points by doing things like signing petitions and completing easy actions, and can spend those points for free peta2 merch—like T-shirts, books, posters, buttons, and more.