You can go to and fill-out a captcha every half-hour at all of the following websites:
 
Can Has Bitcoin?   http://www.canhasbitcoin.com/
BTC 4 You          http://btc4you.com/
Faucet BTC         http://www.faucetbtc.com/
Free Bitcoins      http://freebitcoins.me/
The Free Bitcoins  http://www.thefreebitcoins.com/
Virtual Faucet     http://www.virtualfaucet.com/
Free BTC 4 All     http://www.freebtc4all.com/