Colin Purrington offers excellent advice on effective layout and presentation of your research poster.

This is a very clear, easy to read and understand guide developed by Pennsylvania State University for the McNairs Scholar Program.

A very nice guide from UNC Health Sciences Library, this guide walks the reader through design elements, the design process, and tips for using Microsoft PowerPoint or Adobe InDesign to create a poster.

Devoted to posters and offers a lot of constructive criticism for those who have submitted them.

This rubric can be used to grade your poster.