F1000: Faculty of 1000,:
Flickr: - http://www.flickr.com/groups/368476@N21/pool
ePosters: http://eposters.net
Better Posters: http://betterposters.blogspot.com
Colin Purrington: designing conference posters, see templates.
Google Slides: science posters, similar to powerpoint.
PosterMaker: free program, includes Wordcloud.
Powerpoint templates.-
"This poster is by Emily Austen. Posted on: http://betterposters.blogspot.com/2016/07/critique-anther-colours.html