If you're going to do it, make sure you have at least ten people, or it's a joke. Don't do anything that you can get arrested for, (don't attack anyone, vandalise anything or trespass).
I'd also say, don't mention Chaim unless you have more than 30 people, you don't want to associate him with a small group carrying out minor protests, it could harm his aliyah prospects.
I of course live in the UK, so I can't come, but if you are doing this, all New York JTFers should be there.