I had a go with some Native American-inspired designs, then I got all worried about [url=http://jezebel.com/5959698/a-much-needed-primer-on-cultural-appropriation]cultural appropriation[/url]. So I did a bit of reading on the topic, felt better about it, came back to the models, and realised what I had done was just... Turd. So, I repainted their pads, and you can see the results.
Definitely love the old Native-American inspired DAs; that's not a culture that gets enough referencing in sci-fi.