Would you check the value of your $_SERVER[‘SERVER_NAME’] variable? I have doubts that it doesn’t match dickwhittington.org.
The statistics and bandwidth are updated daily, so you won’t see any activity immediately. You can see that it’s working when you examine the URLs of the pictures in your posts. If they come from SteadyOffload.com, everything is OK.
One credit corresponds to one gigabyte of bandwidth. The more credits you buy at once, the cheaper bandwidth you get.
I hope it’s clear now!