Simply join an affiliate program on http://www.btc-report.org. You get an affiliate link that you should share (perhaps in your signature, forums, other websites). For every user coming through your link you get 30% of everything he ever pays.

There are actually 3 bounties which you can claim:

0.01 BTC

• first one who bring 3 subscribers with 1 month subscription can claim the bounty
• you get affiliate profit from every subscriber also, resulting in at least 0.01 additional btc

0.03 BTC

• join an affiliate program on http://www.btc-report.org
• first one who bring 3 subscribers with 3 month subscription can claim the bounty
• you get affiliate profit from every subscriber also, resulting in at least 0.03 additional btc

0.06 BTC

• join an affiliate program on http://www.btc-report.org
• first one who bring 3 subscribers with 6 month subscription can claim the bounty
• you get affiliate profit from every subscriber also, resulting in at least 0.06 additional btc

Affiliates instruction here: http://www.btc-report.org/affiliates