http://www.cretinhomes.com/ - this company even has a section on their website called 'Cretin Staff'
http://www.bohnzone.com/ - yes - it's basically Bone Zone and it's not even a strip club, it's a car dealership
http://www.poupartsbakery.com/ - pronounced Poop Art, of course
We have also been enjoying ads for a second hand furniture showroom called Weiner Cort.