Publish to Twitter (with bit.ly) and Facebook 

1/ Publish your link to your facebook wall
2/ Shorten URL with Bit.ly
3/ Publish the shorten URL to your twitter account

for twitter, it uses http://sebsauvage.net/wiki/doku.php?id=php:shaarli:doc:twitter

Shaarli is a great tool. Thanks Sebsauvage !