Here is a link from the ForumStaff Blog that gives directions. Scroll down to the second entry for posting pictures as actual posts. Go down further if you want to include a picture in your signature. If you still have ?? or problems give a shout!!
<a target=_blank class=ftalternatingbarlinklarge href="http://blogs.cysticfibrosis.com/index.cfm?forumid=37">http://blogs.cysticfibrosis.com/index.cfm?forumid=37</a>