Shatze did you find it? Reread my post... when you reply directly to a particular member (from the edit reply tabs up on the right side,) then the "smiley" listing for Subject line icons is above the window. When you reply using the Quick Reply (which is directly below all the posts in the thread,) then it's on the upper left side outside the response window. Find it? It's the red circle with the x through it.

If you wish to know what each smiliey icon means, hover your cursor over it and a word tag will come up.