Check out the Memri post on the latest speech [diatribe?] by the Iranian president. The responsibility for the cartoons has been laid squarely at the feet of the ubiquitous Zionists.
Furthermore, in another example of moral equivalences that Arab/Muslim leaders have been pushing since this thing began, he says in Europe you can insult the Prophet but you can't deny the Holocaust.
Similarly, I heard the Saudi Ambassador to the US interviewed last week and he sang a similar tune. "I am not allowed to say anything antisemitic in Europe. But I can disparage Islam." [I am paraphrasing.]
I think rational Arab/Muslim leaders are a bit upset by the reaction against the Muslim reaction. I just don't know how many of them there are and how much influence they have.
[I almost changed the title of this post because I anticipate that some people will take my words out of context and charge that I called the President of Iran a dog. The fact is that I did not do that in this post.]