Here is a link for making servo look more human. I am trying it out! (there is also a cheat from squinge to keep them looking that way. Apparently they revert after leaving some lot.
http://fandom-geek.livejournal.com/21455.html
Here is link for the ''fixes' stuff http://www.moreawesomethanyou.com/smf/index.php?topic=11686.0