Nokia 925 APN Settings

I recently updates my Nokia Lumia 925 to Windows Phone 8.1, but now my internet and mms does not work. I'm using Straight Talk on AT&T's network. What are the correct settings I should be using?
https://straighttalkwirelessforum.com/
https://straighttalkwirelessforum.com/viewtopic.php?f=6811&t=1266457