Here is Geert Wilders with a proper warning against encroaching jihad and what motivates it, in two parts.
Notice the interviewer's suggestion for dealing with the unsurprising death threats coming from Muslims -- sacrifice your freedom of speech:
And here's the first part of Submission, the film written by Ayaan Hirsi Ali, for which Theo van Gogh was butchered by Allah (some images unsuitable for children):