Gunna Do - you probably have the Basic Editor enabled when you sign on.

Go the the top right of the forum and click Settings.

Scroll down and look on the left under My Account for General Settings.

Scroll down 3/4 of the way to Miscellaneous Options.

Click the radio button (round) the says Enhanced Interface - Full WYSIWYG Editing.

Scroll to the bottom and click Save Changes.

Then check the Reply post box in a thread and you'll see a whole bunch of cool new things you can click