Hello! Thanks for the friend request.
Usually you can post a smilie by making type smilies, such as : ) but without the space, which makes
![:) :) :)](/forum/styles/default/xenforo/smilies/link_smile.gif)
If you want to look at the smilies and learn how to make them, click on "Go Advanced" below a post or a visitor message that you're typing, and on the side there should be smilies. Click on "more" under the smilies and then you can view them. =P
I hope that helps. ^^