File:De t.v..jpg

Summary
Fair use rationale:
 * 1) No free equivalent is available or could be created that would adequately give the same information.
 * 2) The image does not replace the original market role of the original copyrighted media.
 * 3) The screenshot is of lower resolution than the original video.
 * 4) The video has previously been published.
 * 5) The meets general Wikipedia content requirements.
 * 6) The material is used in the article Belgium in the Eurovision Song Contest 1957 and only in said article.
 * 7) The material contributes significantly to the article by identifying the subject.