Admin >> Current Theme >> Reset Options
Click on the Link called "Reset default (guest) options for this theme".
There will be 16 diffrent Settings you can set for Default. That means that when a new member joins, that user will automaticly will have those options set.
Just choose the options you want to be default, and then click the save button at the bottom.
The Options:- Show board descriptions inside boards.
- Show child boards on every page inside boards, not just the first.
- Don't show other users' avatars.
- Don't show other users' signatures.
- Leave words uncensored.
- Return to topics after posting by default.
- Don't warn on new replies made while posting.
- Show most recent posts at the top.
- Show most recent personal messages at top.
- Show a popup when you receive new messages?
- Save a copy of each Personal Message in my outbox by default.
- Notify when comments are posted on your profile page
- Turn notification on when you post or reply to a topic.
- First day of the week on the calendar: (Drop-Down Box)
- Use quick reply on topic display: (Drop-Down Box)
- Show quick-moderation on message index as (Drop-Down Box)