On Holy Ground, a website prepared by Townsville CEO to help Catholic schools become more ecologically aware and proactive about their own sustainable management.
This years Social Justice statement: A Rich Young Nation: the Challenge of Poverty and Affluence in Australia? A summary, liturgy notes and teacher's notes are included on the Australian Catholic Social Justice website
Searching for free images you can use in powerpoints etc? Flickr is one good source. Click on an image you want and the 'Additional Information' to the right of it tells you immediately its conditions of use.
We've mentioned it before, but Richard Martin's The Narrow Gate is a helpful introduction to many topics in Scripture and Early Church History.