The JPG image is the example inserted when a user clicks the "embedded file" or "picture gallery" buttons in the edit toolbar. Pages (including user pages) with this image left may be actively sought out and fixed. If you need a test image for permanent demonstration purposes, for instance in a template's documentation, then instead use for instance the PNG image or Example-serious.jpg.
File link button
The Ogg file is the example inserted when a user clicks the "file link" button in the edit toolbar.
The uploader or another editor requests that a local copy of this file be kept. This image or media file is available on the Wikimedia Commons as File:Example.jpg, where categories and captions may be viewed. While the license of this file may be compliant with the Wikimedia Commons, an editor has requested that the local copy be kept too. This file does not meet CSD F8 and should not be tagged as a Commons duplicate. If you desire to nominate it for deletion, notify the tagging editor.
Summary
File information
Description
An example image. This image should not be used in article namespace.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.
GFDL with disclaimersGNU Free Documentation License with disclaimers//en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License