Calibration animated GIF of two frames: frame 1 is a 2x2 black and white checkerboard pattern; frame 2 is frame 1 reversed. This GIF was converted from the OGV file <a href="//commons.wikimedia.org/wiki/File:Cal16x16check_vdnocnoafr1len2.avi.vlc.ogv" title="File:Cal16x16check vdnocnoafr1len2.avi.vlc.ogv">File:Cal16x16check vdnocnoafr1len2.avi.vlc.ogv</a>, intentionally made at 16 pixels wide by 16 pixels high in order to test media players.
<a href="//commons.wikimedia.org/wiki/User:84user" title="User:84user">84user</a>
self made using MPlayer (MPlayer Sherpya-SVN-r29355-4.5.0 (C) 2000-2009 MPlayer Team) and gifsicle, as follows:
<ul><li>Download <a href="//commons.wikimedia.org/wiki/File:Cal16x16check_vdnocnoafr1len2.avi.vlc.ogv" title="File:Cal16x16check vdnocnoafr1len2.avi.vlc.ogv">File:Cal16x16check vdnocnoafr1len2.avi.vlc.ogv</a> and rename as video.ogv</li>
<li><code>mplayer.exe video.ogv -fps 1 -vo gif89a</code></li>
<li><code>gifsicle.exe --delay 100 out.gif &gt; out100.gif</code></li>
<li>Upload out100.gif as <a class="mw-selflink selflink">File:Cal16x16check_vdnocnoafr1len2.avi.vlc_ogv.gif</a></li></ul>