To post a picture here:

1st-Go to the Yellow bar at the top of the screen, and click "FILE UPLOAD"

2nd-Fill in the needed info, and Browse for your pic, and then Upload the File.

3rd- *MOST IMPORTANT* A new screen should appear showing your scan, and below it a Web Address.
"COPY"this address, and then you are ready to post a new message with the picture

4th-Click "Post New Message" and go down to the space for "Optional Image URL", clear ou tthe "http" that already appears in the space, and now "PASTE" your web address here.

5th-Click "Message Preview" to be sure your image will show up, then if everything looks good, POST MESSAGE
Hope this helps