The Florida response was right on. If you want to contact me offline at Gail@GailGladstone.com, I will be happy to recommend several fine banks/brokers for you to call, including Coldwell Banker, who might better analyze your complete situation and further advise your options.
You should also try to set a budget that allows you to spend less than you earn so that you can build a savings account. If you buy a home, you may need money some month for repairs, for example. As a renter, those expenses are paid for by your landlord. Good luck to you!
The economy is in a state of correction and tighter mortgage regulations are a part of this. I work at a bank and can tell you most will not do the 80/20.
I'm sure that some Realtors will carry on giving professional advice based on the housing market situation before the train wreck happened, that's their professional judgment call to think it will have no significant impact on the way they do business, the services they can offer, or the hope they can give to first time buyers. My opinion is slightly different from those folks, as it is based on the train wreck being a very significant factor in obtaining a mortgage after the carriages have been cleared, albeit the exact details currently unknown. Since I am not in the business of giving false hope, and I am in the business of sometimes having to tell people things they don't want to hear, I don't think there's anything wrong in saying to Beth or anyone else that they are not being realistic, but again, I apologize for the tone of the original post.
If you don't have any money, you need to start saving up, which may involve moving into the cheapest possible accommodation you can bear to live in, give up vacations, eating out, clothes, furniture and coordinating accessories in your home.
Without savings, an excellent credit score and good job, you are not going to be able to buy anything in this market, sorry.