May I suggest that you use openelec instated? The have ready to go images then just load on ur repos as usual. But to be honest when I was using a pi (1?) for such things it wasn't the greatest. Chop it in and get a dedicated media box, rpi's are educational boxes. Whilst they do a lot of things, they don't do any one thing that well IMO.
http://openelec.tv/get-openelec
DJ OD
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