Let's take a closer look at the poster in the background. I recognize it from a previous blog post where there was a similar protest at Ground Zero:
These protesters are not supporters of Lebanon - they are crazed Muslim fanatics who want to subjugate the world! They are from the "Islamic Thinkers Society" and they represent the vilest, most violent Muslims on the planet. The only Lebanon they support is a Jihadist Lebanon with nary a Christian in sight, except to pay the Jizya.
Here they are peacefully protesting a cartoon and threatening to exterminate all of Europe: