Rick,
When you enter a message, there's a set of choices in the section "Message Icon." This will allow you to give you message an icon. For instance, I've checked the question mark icon.
To put icons inside you message, look to the left of the edit box (into which you're entering your message), and you'll see a box titled "Smilies." Simply click on one of those and that icon is inserted into your message. For instance, here's the face with 3 question marks above it:
Try it out.
