According to our community's image use policy, all pictures must have an appropriate copyright tag affixed. Pictures that are not in possession of such a tag are subject to immediate deletion by automatic process.
You can also place the tag later by manually editing the file page — for instance, File:Lab Rat.jpg — and entering the name of the tag enclosed in curly braces.
For instance, the template name for BBC screenshots is: Template:Screenshot. Thus, the way to get that license to show up on the page is to edit the file page to place the following on it:
The following, then, are the names of templates which should be put into curly braces in order to add them manually to pictures that have already been uploaded: