Sigh… Notice the sticky that says, “How to embed images”.
Anyway, upload the image to photobucket.com, or another image hosting site. Then, put exclamation points around the link to the image. So this:
!http://www.worth1000.com/web/media/3516/sugarglider1.gif!
becomes this:
If you want to resize an image, you must use HTML. So this:
<img src="http://www.worth1000.com/web/media/3516/sugarglider1.gif" width="40" height="40" />
becomes this: