Tor + Linux

Tor configuration:

ExitNodes {us}

Polipo configuration: (/etc/polipo/config):
disableLocalInterface = true
socksParentProxy = "localhost:9050"
socksProxyType = socks5
censoredHeaders = from, accept-language,x-pad,link
censorReferer = maybe

Opera configuration:

HTTP proxy: 127.0.0.1 port 8123
HTTPS proxy: 127.0.0.1 port 8123

Do NOT click "use this proxy for all protocols", this does not work.