You only need two things for openbox, a channel list and a C or N line.
For your channel list.
http://cwaite.6te.net/Skybox/
You would be better off just putting a C or N line in the box you have, it will run sat and IPTV.
Then use ABM to get a channel list list and EPG.
What image are you using on your VU, Openvix or OpenATV ?
There will be guides on here.
Sat has lost all movies and sports channels, along with other channels, they changed the encryption
so most people went IPTV or cable if you can get Virgin.
There is a request thread here if you still want to try sat