How big is the faucet here?
It states on the left hand side that the reward is 100 satoshi (50%) and 50 satoshi (50%), every 30 minutes.
Is there any site that offers bigger than this?
Check out this site :
landofbitcoinIt keeps a list of 100+ bitcoin faucets with satoshi reward for each site. There is also a bitcoin earning list on home page of the site.
Just keep in mind you have to register to visit links provided with it this site.