Long thought lost, they’re now back!
How can I add them, you ask? Why, when composing a new post, simply click the “More” link in the Smilies box to get a complete list of all the smilies currently installed. Then click as desired!
:armadillo :
Edit: If you’re unable to find the magic More link, make sure your post editor is set to WYSIWYG at the bottom of the User CP Options.