It truly is a great site with high resolution images, a store to buy the posters (I think I will do that when I return from maternity leave!) and a downloads section.
I think it is incredibly kind of the graphic artists to let you download their work. Even better, for the infographics on the chemical groups (families) they even include a teacher version! How much fun would it be to get the students to research elements and their properties with hand outs that look like this?! I could only dream of being able to create something so beautiful for my class!
Thank you, Compound Interest, for making such incredible educational infographics!