Phasr ruses images from Flickr to illustrate a phrase.type in a phrase and images from Flickr can be selected. Great for ESL students, or visual learners.
"Periodic Table of QR codes
A QR code linking to our element videos on YouTube.
Please print it out as big as possible and stick it up somewhere... for higher-res go to www.flickr.com/photos/periodicvideos/5912075438/sizes/o/i..."