At the VERY VERY least, I think she should AT LEAST offer to split the difference. She could pay $150 or $200 to Angie to help make up for not sharing. That stinks for you!
I don't know the way to get it off of there. But I want to say that it's sad that you can't leave it up. I have found this forum really friendly (for the most part) and it stinks that you do not feel comfortable leaving it on there. : (