It doesn't completely represent Halloween in my terms, but nonetheless it is a really ballin sig, and I love the pumpkins to the right, although I'm sure some more "cartoony" ones could have been used.
I really dislike the colors :/ The rest of the sig is pretty good, but b/w nor the colors look too great.
The b/w looks best, not sure with or without a border though, because the colors don't really mesh. Liking the effects, especially those behind her hat.