Mock up to show Commons file File:Jan Steen Vrolijke huisgezin.jpg with a small version of Commons File:Fabritius-vink.jpg to show how a trompe-l'œil might be display on a window jamb.
<a href="//commons.wikimedia.org/wiki/User:Jimfbleak" title="User:Jimfbleak">Jimfbleak</a>
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<span class="int-own-work" lang="en">Own work</span>