Instagram is a free photo sharing app for mobile devices that lets you filter photos and share them through social networks. For details, see Sue Water's post, The Educator's Guide to Instagram and other Photo Apps.
Although there is more than one online tool for publishing and sharing photos, Flickr was one of the first and remains one of the best known. James Tubb, a math teacher, for example, posts photos related to math topics in his blog 7th Grade Math.
More importantly, Flickr is a great way to introduce beginning language learners to English, as Aaron Campbell writes in "Flickr for 'low-level' EFL students"
For an introduction to Flickr, read
- "What is Flickr (and Hot Tips for Using It)" (Giles Turnbull)
- "What Can We Do with Flickr" (Flickr.com)
- "How to Create Flickr Slideshows" (Jim Henderson)
- "Quick Start Tips for Using Flickr: Part I, Part II, and Part III" (Sue Waters)
For finding free-to-use photos on the Internet, check out
- Photoshop Tutorials Blog
- Google Advanced Image Search
- Flickr Advanced Search
- "How to find the best photos on Flickr" (Eszter Hargittai, at Lifehacker)
You can also use flickr photos to make
Nik Peachey has suggestions on how to use those resources and tutorials for learning to use them at