additional_plugins/serendipity_plugin_flickr
..
phpFlickr
UTF-8
ChangeLog
documentation_cs.html
documentation_cz.html
lang_cs.inc.php
lang_cz.inc.php
lang_de.inc.php
lang_en.inc.php
README.txt
serendipity_event_flickrcss.php
serendipity_plugin_flickr.php

The new version no longer requires the old php flickr library.

Follow the steps on http://code.iamcal.com/php/flickr/readme.htm to
install all required packages.