What is the best way to run surround sound speaker wires in my room without damaging the walls?

They don't match, one is digital and one is analog output. They must be actively converted. There should be a analog output on the blueray somewhere I would guess.

A box like this should be easy to buy anywhere: http://www.kabel-mania.nl/digital-optical-coax-to-analog-rca-audio-converter-only-us-plug.html.

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