Register here at www.coinbase.com  then here at www.microwallet.org 

To get the address go here> Coinbase>REceive money>bitcoin address. This is important! you need to get your bitcoin address properly, because all your earnings will be directly sent to your microwallet address

for the list of sites giving satoshi just join here: https://www.landofbitcoin.com/?r=sTzM26xVtdCO1Ozw

All you need is to type captcha to earn the satoshi (bitcoins)

here is my earning so far :D