Looking better but you still need some better substrate under that large coco husk. If you can't find any just send me a PM with your address and I would be happy to send you a bag to help you out. Make sure the food and water dishes get sunk down in that substrate. The lighting will be important but you need to go one step at a time.
Don't know anything about box turtles. Except that I don't understand why they are called turtles and not tortoises! I seem to picture turtles being in water.
Anyway you will get great information on this site! Best of luck.
I don't trust those lights. Some of our members use them, and have used them for quite a while with no problems, but others of us have seen animals with painful eyes when using those type of lights.
For box turtles I like to use a light like this one: