Further to the above you can also add hidden channels, test broadcasts and feeds to ANY Sky Digital sep top box which are not listed on the regular EPG programme guide. These include ITV1 regions such as STV Scotland, Ulster ITV, ITV Wales, Channel Islands ITV and all English ITV1 regions. RTE and TV3 Ireland are also available, although these are encrypted, you can still view the Irish teletext which is especially handy for people living in post DSO areas.
It’s good for having a little mess around with, again it’s completely free and legitimate, and every so often a little gem crop up like being able to watch new channels a few weeks before their official launch or extra cameras from the Big Brother House etc.
Here’s a link to the website that lists what’s available with full instructions of how to add the channels:
(again this post if for ALL Sky viewers not just those with HD like above)
http://www.wildsat.com/