As long as you're a decently attractive girl, it doesn't matter what you write in your profile.
What if you're not a decently attractive girl? For those girls OKCupid would be mission impossible.
I mean nothing is impossible, you just have to know that your chances of finding success are greatly diminished if you're ugly whether you're a guy or girl. That's why online dating isn't for everyone, it really is more look based and people are generally more picky.