Looks good, now you can get it into ZB and really perfect those forms.
As for the tail, I don't know if it will work or not... I'm leaning towards not, but you can always build one, and see what it looks like, and if it doesn't work, just get rid.
www.stevenegan-cgi.com
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"