Captchas Rocks
We love Captcha's
101 (40%), 250 (45%), 500 (10%), 800 (4.5%), 1000 (0.4%), 2500 (0.1%) satoshi every 60 minutes.

http://captchas.rocks/?r=1Gcf6qcbHGMmYPZFVehNAtZLoJ2QySY744