What do yo mean exactly? Its been suggested that people engage in organized civil disobedience and the guidelines have been placed somewhere on these forums. But what would you like for the group to do? I agree that the group has to have a strong message other than just camping out in a park the city has allowed them to occupy. I was hoping for something more like this:

'Protest sit-in blocks Greece bailout meeting', Al Jazeera 30th of Sep, 11

A protest sit-in by civil servants at the Greek transport ministry has forced international debt inspectors to reschedule a meeting where they were due to discuss reforms, including new licensing laws for taxis.

Yannis Ragoussis, the transport minister, was due to hold a meeting with inspectors from the European Central Bank, the International Monetary Fund and the European Union [collectively known as the troika] on Friday morning, but found the building under occupation by protesting employees.

A similar meeting with Evangelos Venizelos, the Greek finance minister, was moved to a different government building on Thursday after that venue was also occupied.

Protesting civil servants continued to guard the entrance to the finance ministry on Friday morning, spraying the words "They shall not pass" across drawn-down metal shutters.

The inspectors' meeting at the transport ministry was pushed back to 6:00pm local time (15:00GMT), a ministry official told the Reuters news agency.

A lockout at the national statistics office ELSTAT, meanwhile, forced the agency to postpone the publication of two sets of economic indicators on Friday.

http://english.aljazeera.net/news/europe/2011/09/2011930135431879415.html

THAT is effective. This is what needs to happen, if you get lost fighting police brutality on one hand and sitting in the park on the other no one will know what the point is and the focus will dissipate and other's will cease to take this effort seriously.