The following websites pay you in bitcoin to view and watch ads.  At the time of this blog they are all working and paying out in a timely manner.

ABitBack – (Get paid to watch ads via Offerwalls)
BitCoinGet - (Earn 200 uBTC per video watched)
Cointube TV -  (Pay up to .4 mBTC per video watched)
CoinVisitor - (Watch Ads earn Bitcoin)
Earn Free Bitcoins - (Pays up to .412 mBTC a day or more)
BitVisitor - (Pays up to .08 mBTC per video watched)
BitCoin 4 You - (Pays up to .42 mBTC every 24 hours)
Know a Bit More – (Lacking Advertisers Again)
Bitcoins Easy - (Get paid to watch ads, read ads and referrals)
Free BTC – (Earn Satoshi’s)
Clicks 2 Bitcoins – (Watch ads, read ads and referrals, use google chrome as site is in French)