You should be able to click on "Additional Options" which is below the text box, then attach an image that's on your computer. However it must be under 128 Kbytes in size, so obviously you have to downsize the images from your camera before posting. A link to the image will then appear below your posting.
You can use image tags if you have an image on the web that you want to show.
« Last Edit: February 14, 2011, 12:45:18 AM by Bob Atkins »