Everybody who is interested in test-driving Docker 1.6 in a really easy and fast way and has a Raspberry Pi lying around should have a look at our prepared Docker SD card image.
Not sure if images on the registry also support the new labels functionality, but that might be a way to avoid to obvious image architecture (x86 vs ARM) issues.
Get it here: http://blog.hypriot.com/post/docker-1-6-is-finally-released-...