I use the Content Curation tool Scoop.it to gather K-12 resources.  Each link below contains web resources that I am constantly adding to. This is a wonderful tool for gathering visual information under one theme.

Web 2.0 links for Teachers

Copyright resources for Students and Teachers

Digital Citizenship in Schools

Facebook Pages for Educators to “Like”

Tech Tools for Librarians

iPad Resources for K-12

Digital Storytelling

Adventures of Library Girl