Doesnt look like anyone responded to you yet...
Realtors generally don't work with apartments - we usually only work with condos and homes in the $2,500+ range. This is because we can only help you with homes for lease on the MLS (multiple listing services), and apartment complexes don't put their listings on the MLS.
I'd suggest looking on craigslist - you'll probably find some one-bedroom homes for lease by owners. You'll have a better shot at making a deal (larger security deposit or pre-paying a few months of rent in exchange for overlooking your bad credit), than you would with a major management company.