i've created those smileys...you can check them here:
http://wiki.kyberia.cz/doku.php?id=playground:playground
you can download them here:
http://artworkz.harvie.cz/dokuwiki/
put those files into lib/images/smileys/ directory
and then add following lines to conf/smileys.conf file and delete cache:
README readme.gif
TODO todo.gif
DONE done.gif
DUPLICATE duplicate.gif
thx