With the introduction of the Raspberry Pi B+, a lot of people are finding image files aren't working unless updated first. Because of this, I went ahead and made a fresh image file for voice command on Raspbian that is A/B/B+ compatible.
You can download it at: mega.co.nz/#!MM8W1JxR!4PlZ_1-dumasDUCYRI4LuiBwEJgtqhfoin0R8ls90NQ
I've also taken the liberty of putting wiringPi and pilight on it. This means it's easier than ever to control electronics with your voice (I'll post more on that later). You can read more about it at the hackaday projects page here.
And here is a quick video demo:
Armed with the Method of Science Set out to Explore the Universe.