Think you need to fix the link, and also explain your service a little bit. Is it a PTC? I'm not too sure what you mean.
What does one do to win 1BTC? You offer that monthly? As I said, perhaps a little more info and you'll get a better reception!
do you really think they will pay upto 1btc per user, look at their domain name , they are using free domain name for their website
how users can expect payments from them when they don't have money to register a good & paid domain for their website