Juan Cole has an interesting suggestion:

Wouldn't a flashmob protest in front of Iran's permanent mission to the UN be an appropriate blogger tool for this campaign?

Here's something for openDemocracts in the New York metropolitan area to organise on a cold February day!

Iran (Islamic Republic of)
    Permanent Representative of the Islamic Republic of Iran to the United Nations
    622 Third Avenue, 34th Floor, New York, NY 10017
    Telephone: (212) 687-2020, Telefax: (212) 867-7086