Your speaker wire up looks ok to me. I don't believe speaker polarity really matters for a single speaker anyhow. So it should work ok even if +/- were swapped. Also PWM audio is disabled if you're using HDMI out. And the speaker is disconnected if you have headphones plugged in. The other thing you...

Did you configure your raspi for PWM audio and wire up the appropriate gpio port for it? PWM0/1 pads on the AIO should go to GPIO 18 and 13 on the raspberry pi, see http://Pinout.xyz and http://www.sudomod.com/forum/viewtopic.php?f=22&p=12261#p12261 (light grey and brown wires in the first image). A...

Jothie, I'm not sure if I'm understanding you correctly but you don't need to wire 5v/GND from the power strip to the USB ports. The AIO board has connections from the 5v/GND on the power strip to anything that needs power on the AIO board. (You should wire up all four wires from the hub USB outputs...

I've had good luck buying from AliExpress. I was able to get an aftermarket DMG01 case, extra buttons, the silicone rubber pads you want to back the buttons, as well as replacement speakers, all from one retailer for really good prices. The shipping takes a while because it ships ePacket from China....

Hellder is doing presale #3 for his boards, I picked up a couple: http://www.sudomod.com/forum/viewtopic.php?f=3&t=1426

Scroll down, there's a paypal purchase button to make your preorder purchase.