I assume you are talking about bounty campaign right?
He definitely is based on his post history. If that is the case, his question has been asked and answered for a couple of times already. I am new here can you tell me how can i choose good one for me...
OP, please learn to search using the search function of this forum first before asking questions. If you cannot find your answer using it, you can try to google the answer to it. There are a lot of search results in Google that can answer your question(although it will point you out on older bitcointalk threads).Thanks for your suggestion...