The above ads were found on Ads of the World and I found them there via Unringing the Bell. The small text on each ad reads:
Most people who would never knowingly use disparaging terms don't see a problem with saying "retard." This must change. It's just as hateful as any other slur. And for millions of people with Intellectual Disabilities, their families and friends, it hurts just as much. Please, don't use the R-word.
I think that says it all for me. Take the Pledge!