Below is a list of resources for free, downloadable Obama posters, wallpapers, literature, etc. Please feel free to add any I've missed.
The Barack Obama website has lots of free downloads too, including flyers, signs, wallpapers, and even videos. Find those here:
http://www.barackobama.com/downloads/Here are some others:
Downloadable, ready-to-print posters:
• Add-your-own-text poster (Example:
Your City for Obama!):
http://pentdego.com/obama.aspx• "Design for Obama," posters created by over 30 professional designers and artists (various sizes):
http://designforobama.org/• Portrait series and other styles (various sizes):
http://www.changethethought.com/obama-2008/• 11" x 17" posters/yard signs:
http://tomwfox.wordpress.com/politics/obama-poster-downloads/• 8 ½” x 11” signs:
http://obamamedia.wordpress.com/category/signs/• "The New Hope" posters, various colors and sizes:
http://www.hyperakt.com/blog/2008/02/12/free-printable-obama-posters/• 11” x 17” signs, also factsheets:
http://www.austinforobama.com/• Black and white signs, both national, and for Brooklyn:
http://www.everyonesinlovewithyou.com/obama/Other free downloads:
• Flyers, in English or Spanish:
http://rebootwashington.org/downloads_main.php• Printable T-shirt decals, stickers, and signs:
http://plushgraphics.com/obama/• Iron-on transfers:
http://rebootwashington.org/obama_images/iron_on_outlined.pdf• Business card-sized campaign cards:
http://bodacious-business-cards.blogspot.com/2008/05/political-campaign-cards-obama-cards.html• Wallpapers for your computer:
http://obamamedia.wordpress.com/2008/03/07/obama-the-new-hope-wallpapers/• Wallpapers for your iPhone or computer:
http://obamamedia.wordpress.com/category/images/