The following websites should help you get started.

• A Beamer Poster Sample, written by Dawn Nelson, is located at the bottom of the Bates LaTeX Manual page.  This template is for those using the Beamer package to create a poster with LaTeX.
• Poster mechanics specific to the Mount David Summit
• Bates offers poster design support at the Digital Media Studios in Pettigrew.
• Poster-making 101 by Brian Pfohl in Psychology.  This page is targeted towards those using PowerPoint to create a poster.
• “Preparing an effective poster” posted on the Biology resources page and written by Seri (Rudolph) Lowell from Writing at Bates, 2003.
• At North Carolina State University, check out Creating Effective Poster Presentations, written by Hess, G.R., K. Tosney, and L. Liegel. 2006.