I've collected my favorites (so far) here. Feel free to add others in the comments. Please note that NONE OF THIS is safe for work! (Or for impressionable children who are prone to repeating things that they shouldn't. Or for elderly relatives or anyone else of a delicate constitution. At the very least you'll need headphones and a place where you won't have to explain why you're laughing.)
The first is an audio version of the book, read by Gilbert Gottfried:
The second is a reading of the book by Jon St. John - the voice of Duke Nukem, if that helps:
And, of course, there's the Karaoke version:
I have to say, I'm actually very happy to see this book selling so well. It confirms one of the fundamental principles of American society: Sex Sells. Also Freedom of Speech and Free Expression and things like that. But mainly the sex part.
 I first became aware of it because one of the mothers whose children attended Firstborn's birthday party admitted that she was listening to the audiobook pretty much the whole time she was there. Apparently her husband and children actually staged an intervention for her.
I have to say that this rather improved my opinion of her.