"'CC Search' will enable users to curate, tag, and remix that content. It will go beyond simple search to aggregate results from across the hundreds of public repositories into a single ledger, and also facilitate the use and re-use through tools like curated lists, saved searches, one- or no-click attribution, and provenance."
A powerful search engine for Flickr images. You can search for photos in Flickr by Creative Commons license, compile them in a batch and save them for later use. See the “advanced search” link on the site.
"Font Awesome gives you scalable vector icons that can instantly be customized — size, color, drop shadow, and anything that can be done with the power of CSS." See how it can be used in LibGuides 2.0: http://buzz.springshare.com/springynews/news-24/springytips/tech-video
"Hundreds of thousands of Scalable Vector Graphics (SVG). The entire collection is available for free to download. All images are dedicated to the public domain by their contributors and are stored in SVG format, with thumbnails in Portable Network Graphics (PNG) format."
Wylio is a search engine that aimed to make it simple to find and embed Creative Commons images in your site or blog. Wylio makes it easy to resize and embed images and provide attribution when required.