The comedy punk cover version is like a right wing thug - should be avoided at all costs. That said, Me First And The Gimme Gimmes version of 'Country Roads' is very good.
Currently listening to a lot: Violent Femmes - 'Do You Really Want To Hurt Me'. Changing the lyrics and playing down the cod-reggae helps.
Favourite of all time: Fatima Mansions - 'Paper Thin Hotel'
Honorable mention: Jello Biafra - 'We Gotta Get Out Of This Place'