Okay, so the best and most obvious option, in my opinion, wasn't in the original poll, so I added this one, because frankly I don't see how anyone could disagree.
When you register on DC, your account settings are automatically set to not show your user name on your dragons' pages, and not to accept help.
I want it to be a requirement that when you join, you have to choose the settings before starting out, so that every user knows what the options are.
Reasons This Would Help
1) Its harder to help people when they don't show their name, and I'm not