artists or con artists?

My Craig's List ad for the Goose entitled Artists' Retreat has fished up a couple of keepers, but most of the responses have been from scammers.
Clues:
Multiple email addresses belonging to the sender
English that is so slightly off: "Hello, i want to know if me and my husband will be able to spend seven days at your place,the days start from (September 9nd - September 16th), Get back to me with the total cost for the seven days..Thanks"
And the ever-popular cashier's check from abroad which turns into a request to send out ticket money or some such after it clears.
People from Australia who would like to visit Thomasville, Mo., for a weekend! I mean, it is delightful, but hardly reknowned.