hey jslampe, thanks for answering - if Dwolla is cash based, how do I put money in my account? Do I mail you a check? Sorry if my question sounds silly but it's

hey jslampe, thanks for answering - if Dwolla is cash based, how do I put money in my account? Do I mail you a check? Sorry if my question sounds silly but it's genuine confusion on my part. If the service is cash based, how is money transferred? how can cash in an account be taken out? also, is it only for the US?