I think you may have to post in the appropriate section as the forum is for discussion and not add's. I also think you should be careful since you might be headed for issues all thing's considered. You may get targeted by the non-existant dog scammer's and then there's no such thing as teacup in any breed and you should be wary of anyone using the term. Please consider rescue first or at least try to get some guidance on finding your new companion.
Aussies only come in full sized, mini, and a few nice toys. Most toys I think look more like poms. There is no such thing as a teacup aussie, and I would even condsider a breeder who advertising teacups. they can not be purebreds if they are that small, and if so they are so inbred that the problems you would enconter would cost you thousands of dollars. If you are interested in a mini or toy, pm me. If you want a puppy that small, get a pom or chi