I always wanted to import and armatar... tho this may cause some problems, like taking up too much space or something, but if we could have a feature that when you hit 15,000 AP you could use your own that would be wonderful. I got the idea from the Hive Workshop :P some site...
The only way to currently access armatars is if they are available to everyone at that level. We don't currently have a way to access personal armatars.
