How to delete iphone 5 photos?

Uploaded a photo and folder from my computer to my iphone 5 now i can't delete move or do anything to it I want to delete the folder and the picture. I would like to get the picture from my computer into my camera roll but apparently you can't move photos on an iphone 5 please help!

Computer to iPhone photo transfers are not deletable. You can go to iTunes, choose Devices, iPhone, then go to the Photos Tab, and de-select the folders related. Then sync.