here are a few referral links to some good places to earn bitcoins. something i have come across is the transactions of bitcoins seems to up the worth of the exchange rate. but if you think of it the mining is how more is created and the mining is the processing of transactions on to the blockchain. support bitcoin.
www.safebitco.in/?r=1NXNUSwHXyLeJj6sN9Fzh1kYmwDrEQqp4g
rollingfaucet.com/?r=1NXNUSwHXyLeJj6sN9Fzh1kYmwDrEQqp4g
vipbitcoin.ru/?r=1NXNUSwHXyLeJj6sN9Fzh1kYmwDrEQqp4g
www.get-free-bitco.in/?r=1NXNUSwHXyLeJj6sN9Fzh1kYmwDrEQqp4g

when i come across more good ones i will post more or if great interest is shown i will search faster for more.
thanks have a great day.