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Wikipedia:Untagged images/Contributors
Familiarize yourself with Wikipedia:Image copyright tags, these are the templates you will be using. The links below contain lists of images that were untagged at the time the lists were made. Just pick one and click on the images listed. Some will have already been tagged – you can simply delete those from the list. For others, it will be obvious what tag they should get. Add the tag, save the image, and remove it from the list.
Images need both source and license information. Many images that are uploaded do not contain this information and should be tagged as {{no source}} or {{no license}}, these templates have day-specific variables, for ease of use the following templates were created.
To subst {{no license}} with correct variables:
{{subst:nld}}To substitute {{no source}} with correct variables:
{{subst:nsd}}If you are unsure about an image leave it as is, do not delete it from the list and someone will look at it again later.
Read more about this topic: Wikipedia:Untagged Images