I have found one! You need to find a free smiley site that has BBcodes. I googled, and looked at several. Once you have found one you like, either click on it, or right click (some work one way and some the other. Copy, as usual, then come back here, click on My Profile at the top of the page, scroll down to Signature. Delete your old one if you had one, and paste in your new one, then update that section.