Well...I think they're quite funny...not sure the whole world agrees, but a great deal of the world lacks a sense of humour...
Here's the story surrounding them:
http://www.dailytelegraph.com.au/entert ... 5870858907
And a better explanation:
http://blogs.news.com.au/jackmarxlive/i ... _explained
And here are the videos:
http://www.youtube.com/watch?v=zzdu7rzu ... re=related
http://www.youtube.com/watch?v=rwb_psKU ... re=related
http://www.youtube.com/watch?v=Gtisi1Nz ... re=related
http://www.youtube.com/watch?v=-FrYmPMlyRA