This is an example of a method, other than powerpoint, to share information. I used lolcats in science to have a collection of images. Most lolcat images come from "I can haz cheezburger" site and are labeled as such.
Chemistry images come from the blog "Master Organic Chemistry"
Enjoy this fun way of science outreach? Visit Joanne's website, http://www.joannelovesscience.com