TV_CHANNELS for NTL Cable in Dublin, Ireland
Hopefully you should just be able to copy this into local_conf.py and you'll be up and running. Don't forget to configure XMLTV as well, also as you can see this isn't quite a full list, feel free to complete it.
TV_CHANNELS = [('rte-1.rte.ie', 'RTE1', 'A10'),
('C1870.radiotimes.com', 'NET2', 'A7'),
('utvlive.com', 'UTV', 'A13'),
('channel4.com', 'Channel4', 'A13'),
('south-east.bbc1.bbc.co.uk', 'BBC1', 'A17'),
('south-east.bbc2.bbc.co.uk', 'BBC2', 'A18'),
('tv3.ie', 'TV3', 'A9'),
('sky-one.sky.com', 'SKY1', 'A19'),
('tg4.ie', 'TG4', 'A15'),
('e4.channel4.com', 'E4', '21'),
('1.setanta.com', 'Setanta Sports', 'A20'),
('discoveryeurope.com', 'Discovery Channel', 'A1'),
('mtv.co.uk', 'MTV', 'A21'),
('tmf.nl', 'TMF', 'A25'),
('sky-news.sky.com', 'sky news', 'A24')
]