A few resources for “getting the goods” (aka non-violent direct action) within the safety of your own affinity group:

http://www.actupny.org/documents/CDdocuments/ACTUP_CivilDisobedience.pdf

(ACT UP)

http://www.crimethinc.com/tools/downloads/pdfs/direct_action_guide.pdf

(Crimethinc. Workers Collective)

http://www.ruckus.org/downloads/RS_ActionVisuals.pdf

(Ruckus Society)