You can already upload bodies and heads
I switched to iPod, so I can't provide a link, but hopefully someone else can / or you can look at the map, and find the upload info center.
What kind of events? I think it'd be cool to kind of have these weeks that are like "peaks" in this "war", and give it more substance in that form. The baddy spawn rates increase, we try and make the war type things even more popular, and wham we have a game. At the same time maybe release a new planet with new gameplay, saying the battle has moved here. We're in space, and it's very vaguely at war, so we have space to do a lot.
Then that big update, with a name, could be released at the time of the American summer holidays to boost activity. Would be a lot of fun, if it happened.