Fat, gun-toting, flag carrying rednecks is a common misconception. This meme is very popular to represent America in general.
Duggar Family - Christian family who doesn't believe in using contraceptives; 19 kids so far
Enjoy the freedom of guns a bit too much
Honey Boo Boo - The life of a child Beauty Pageant who is different from what people expect
Woman beaters with hot wives.
Duck Dynasty - Shows a "typical" Louisiana family duck hunting
Lack of intelligence seen with pregnant women smoking and drinking.
Southerners take their freedoms to the extreme by owning multiple guns.
Rednecks and hillbillies are known for doing reckless and stupid behavior. This is usually done because of plain stupidity or lack of understanding consequences.
Westboro Church shows the extreme of Christianity