ABR needs foster homes desperately! Please know, though, that as a foster person you WILL NOT be allowed to adopt your first (and perhaps even the second) foster dog. Fosteriing is a transition position. If you are really looking for a dog to adopt - please talk to your state coordinator about Fostering To Adopt.
There are many volunteer options if you can't foster. So even if you can't take a dog in to foster, there are ways to help with the work ABR does.