A few nice hillbilly images I found:

The Hillbilly All-Stars (sunday)

Image by kfjmiller
Jimmy C Clark & Chuck Mead with The Hillbilly All-Stars on the main stage at the Midlands Music Festival 2007

The Hillbilly All-Stars (saturday)

Image by kfjmiller
Jimmy C Clark & Chuck Mead with The Hillbilly All-Stars in the tent on the Saturday evening at the Midlands Music Festival 2007

Some cool hillbilly images:

The Hillbilly All-Stars (sunday)

Image by kfjmiller
Robert Reynolds with The Hillbilly All-Stars on the main stage at the Midlands Music Festival 2007

this is how we treat hillbillies in devon

Image by benfu
I used to love this when I was about 7. you shoot the targets, and stuff happens, usually involving the aforementioned hillbilly popping out of somewhere and swearing at you. always wearing dungarees, of course.