Board Thread:Support Requests - Getting Started/@comment-25840539-20141202141534/@comment-25261281-20141205195912

For emoticons, it requires coding as well, sorry (and I don't know anything about that, although here's a page for example: http://callofduty.wikia.com/wiki/MediaWiki:Emoticons.

For the message wall question, you should ask anyone who has such thing.