After you click "add reply" on the left there is a "How To". Smiley faces are located under "Use Emoticons". Just type or cut and paste the code for the face you want to make. 
To change your text click on "Use EzCodes" and follow the directions. This also discusses using images, etc.
To change your text click on "Use EzCodes" and follow the directions. This also discusses using images, etc.
