The Samsung Galaxy Centura is a USA-exclusive slate-format Android device that was released by Samsung on May 2013, for use on the Tracfone MVNO network. Identifiable by model number SCH-738C.
Hi Marty, hopefully I can help with your picture issue. Firstly have you tried turning the phone on and off? If you have then the problem sounds like you don't have enough available memory. I'll link to the memory part of the trouble shooting guide below. Best of Luck!