Here are the simple ways to get some free bitcoins.

http://dailybitcoins.org/ (hourly giveaways, just enter your wallet address, solve a captcha, and repeat on the hour for free bitcoins) 

http://www.bitcoins4.me/ (hourly, sometimes doesn't work)

http://www.faucetbtc.com/ (per 15 minutes, sending BTC in 48h, unverified) 

http://www.btc4you.com/ (get free BTC every 30 min)

http://freebitcoins.me/ (1.5 uBTC every 30 minutes)

http://www.freebitcoins.es/ (3 times per hour, if your request number is prime, you earn 5 times more - 50 uBTC!) 

http://www.thefreebitcoins.com/  (1.5 uBTC every 30 minutes)