Ha .. I think in bitcointalk you can get bitcoin by following the signature campaign, but the ranking is very influential in the payment of signature campaign.
Yes, with you because signature campaign is best way to get more bitcoins. But there are a few official websites of bitcoin on internet to earn bitcoin. Especially gambling websites. Where you can get a lot of bitcoin instead signature campaign but the things is that you should have more knowledge about online gambling sites. Then you can easily win the games in bitcoin gambling websites.