Below are some examples of "How To Posters." I chose the theme of HOW TO WASH YOUR HANDS because hygiene is important. The first two sets are visual demonstrations along with text, but are both lacking in colors to attract the eyes. They still do their jobs of presenting to you how to wash your hands properly, giving you step-by-step along with a photo.
These next two are exactly identical to the first, only that they provide extra colors and visual effects to draw attention to them. I believe this has a better effect in presenting itself and getting the target audience to do as instructed.
All photos are taken from the web. Clicking on the photo and then clicking on original source will lead you to the exact location via the web.