An assortment of cultural references to Sin & Virtue:

A (Very) Brief History of Sin... the murky origin of the Seven Deadlies.
Contrary, Heavenly, and Cardinal Virtues... all is not lost.
Seven Sins overview: brief descriptions of the big baddies.
One comely maiden and Seven Dwarfs... Coincidence?
Seven castaways on Gilligan's Isle... Just happenstance?
The People's Choice Awards... nominate a new Deadly Sin!
Images of Sin: a growing gallery of artists' most Sinful images.
A search for Sins on the Web... Infoseeking for iniquity.
Mahatma Gandhi had his own list of Seven Deadly Sins.
There are Seven Sacraments of the Catholic Church.
From Proverbs, the Seven Abominations unto the Lord.

Also including sinful extras as:

Hints from Hell-oise: letters to the domestic goddess.
Go Goth!™: promoting gothic lifestyles since the late 20th century.
Save the Guinea Worm Foundation: defending a bunch of worms.
The Coalition to End Female Mammary Mutilation: save the boobs.
Y10K Alert! Avoid the pending global catastrophe.