there are similiar smilies on the "smilies" bar

[^NoX]

look on the right side when you write a message.
i don`t know about you, but thats realy annoys me when i want to choose a smily.
http://img210.imageshack.us/my.php?image=ubuntuforums7pg.jpg

[drummer]

I agree.. it does seem a bit strange, it'd be much better with more options. There are lots more when you click '[more]' that could go there in place of the 4 of the same smiley.