From Richard Byrne's 3/31/13 post on his "Free Technology for Teachers" blog. Post has three parts. This is the link to Part 1. At the bottom of the article are the links for Parts 2 and 3.
"Post text, photos, quotes, links, music, and videos from your browser, phone, desktop, email or wherever you happen to be. You can customize everything, from colors to your theme's HTML."
"ThingLink interactive images help students develop 21st century skills and enrich their enthusiasm for learning. ThingLink works on all modern web browsers as well as iPad and iPhone."