From Online Manual
- Don't show users' avatars.- Some users find avatars annoying, so they may choose to hide them altogether.
- Don't show users' signatures. - As is the case with avatars, signatures may also be hidden.
- Return to topics after posting by default. - If enabled, a member will be returned to the end of the topic in which they have just posted. Otherwise, they will be returned to the message index for that particular board.