>>6731547http://downloadcenter.samsung.com/content/UM/201302/20130228184012484/GT-I9300_UM_EU_Jellybean_Eng_Rev.1.1_130228_Screen.pdfWell, on page 73 it says that if you tap the icon that looks like a gear, you can bring up your camera settings. You should play around with the White Balance setting to see if you can find one that works well with the type of lights you're using. You should also set your ISO as low as it can go.
>>6731573You can also go REALLY big and keep it four-wide if you don't mind expanding it a bit farther and dipping outside of System.