The following organizations have resources for children and adults, many of the free activities they provide can be conducted in a library.
Media Smarts
This Canadian not-for-profit creates digital & media literacy resources for both children and adults.
Association for Media Literacy
The AML is a Canadian organization dedicated to improving media literacy education. They are made up of teachers, consultants, parents, cultural workers, media professionals, and librarians. Their website includes material for professional development, lesson ideas and podcasts, resources they recommend, and a blog which discusses current issues in media literacy.
Center for Media Literacy
This American association provides resources for media literacy education.
National Association for Media Literacy Education
This American organization aims to improve media literacy education.
Digital Literacy 