O' brother

In "O' Brother Where Art Thou", I was able to notice that there were several characters that related to characters in the Odyssey. The cyclops was the traveling Bible salesman which was also killed by the fiery cross but in the book he was killed by a fiery stake. Pete's brother was the Lastergonian because he turned his brother in for money. Also, I don't know if any of you noticed this, but there were lots of pigs in the movie. The reason why was becau...