You can spend to trade or sign some campigne or look for a bounty in this forum.
yep trading and joining signature campaign and social campaign that you will earn bitcoin, If you want to get extra bitcoin try to look micro earning sections you can find many site that you can earn more.
Micro earnings will give you income in peanuts and its not worth to spend time behind that especially if you are looking for descent income in bitcoins and to get the best income in bitcoins you should focus on signature campaign and trading as both of them are the best ways to earn bitcoins in the best possible ways so stop wasting time on faucets or captchas sites try to get into concrete ways of earning bitcoins which can take care of you for a lifetime.