https://free-images.com is a reliable search engine for CC0 images and graphics. When you find an image that you like, they provide links to the direct download and the site that it was originally uploaded to.
Sites include:
- https://pixabay.com
- https://commons.wikimedia.org
- https://www.wpclipart.com
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.