August 12, 2012 
I found this list of data visualization winners and grabbed two to share here. Although I like their first place winner on cancer, I found it to hard to read on the site. These use bigger fonts and images with less detail which I personally think is important.
Enabling Healthy Decisions 
These are fantastic! Do I have to obtain permission first in order to use them in a presentation?
Not that I know of as long as you give the original author credit.