Here is the direct download link to the SD card image and you can install the Piper software yourself if you have a card reader.
1. Piper image file: see below for new location
2. After downloading the image file, use Etcher to burn it to your SD card.
Other instructions for installing:
(I copied this to a new topic becuse I kept having a hard time finding it.)
UPDATE 02/29/2016 !! - If your Piper boots to desktop, but doesn’t load the game, please try the following fix here: Piper Boots into desktop