Welcome to the Media copyright questions noticeboard, a place for help with image copyright tagging, non-free content, and media-related questions. For all other questions, use Wikipedia:Questions.
If you have a question about a specific image, link to it like this: [[:File:Example.png]] (Note the colons around the word File.) If a question clearly does not belong on this page, reply to it using the template {{Mcq-wrong}} and leave a note on the poster's talk page. For copyright issues relevant to Commons, questions may be directed to Common's copyright village pump.
How to add a copyright tag to an existing image
On the description page of the image (the one whose name starts File:), click "Edit this page".
For work you created yourself, use one of the ones listed under the heading "For image creators".
For a work downloaded from the internet, please understand that the vast majority of images from the internet are not appropriate for use on Wikipedia. Exceptions include images from flickr that have an acceptable license, images that are in the public domain because of their age or because they were created by the United States federal government, or images used under a claim of fair use. If you do not know what you are doing, please post a link to the image here and ask BEFORE uploading it.
For an image created by someone else who has licensed their image under an acceptable Creative Commons or other free license, or has released their image into the public domain, this permission must be documented. Please see Requesting copyright permission for more information.
Type the name of the tag inclusing the curly brackets (e.g.; {{Cc-by-4.0}}) in the edit box on the image's description page.
Remove any existing tag complaining that the image has no tag (for example, {{untagged}})
Click Publish changes.
If you still have questions, ask a question below below.