You can download the plugin from the project's SourceForge page. The current stable build is 1.0.11 which is downloable from here.
In the near future, there will be an eclispe update site available, but until then you need to download the plugin and install it manually. Check the Installation Guide for more info.
$Id: download.xml,v 188.8.131.52 2004/08/04 17:01:41 slavikos Exp $