Flickr allows you to search Creative Commons licensed materials only. Click on "advanced search," then check the box for CC only near the bottom of the search form.
Note that some CC licenses do not allow commercial use, so you could not sell the resulting cards in those cases.
No. In fact, the opposite is true. Most of the images you will find on Google® ARE protected by copyright which belongs to their respective owners.
There are dozens of websites that offer thousands of copyright free images that you can take. Some of these websites are, SXC, MorgueFile, FirstGov, StolkVault, and PicDrome.
No, the images were collected from the internet and some have copyright laws on them.
Stock photos are images that are available for free. If you see these kinds of photos, then they are safe to use without copyright infringement.
Some sites for stock images are www.shutterstock.com, www.dreamstime.com, Royalty-Free, www.jupiterimages.com, and www.fotosearch.com. Be sure to always check the copyright details on any site, just in case.
NO THEY ARE NOT!! The results of a BING image search returns images from the Internet, but that DOES NOT MEAN that they are yours for the taking! These images are not free for anyone to swipe. They are the copyright of their respective owners, and if you use use them without permission, you can be subject to lawsuit for copyright infringement.
There are web sites that host royalty free images but these are still the subject of copyright. In fact, every image is copyright protected unless the owner of the copyright releases all claim to the copyright and makes the image freely available in the public domain. A search of public domain images may prove fruitful.
Images in the public domain, such as NASA imagery, would be copyright-free. People often use "copyright-free" to describe the millions of images on Flickr that carry Creative Commons licenses, but this is technically incorrect. The images are still protected by copyright, they simply have extraordinarily broad licenses that allow many uses without further permission.
It's the copyright free source of all interesting messages and images that people can use on social media free of cost.
Royalty free cartoon images are best found at your local library. The staff there will have a firm understanding of copyright issues and will be able to advise you on "Fair Use", also all cartoons produced over 75 years ago are royalty free.
There is a great deal of public domain sheet music available at the links below.
Public domain images have no copyright restrictions.Creative Commons images are protected by copyright, but have extremely broad licenses.