If you are trying to post only the picture and not the link to the page you can do it by following these steps.
1. Right-cluck on the image that you would like to post.
2. Click on the properties option from the menu that appears.
3. Highlight (Select) the address by holding the left mouse button and draging the cursor accross the address displayed.
4. Press Ctrl+C to copy the address of the image.
5. Close that properties window off and return to the page where you are wanting to post the picture.
6. In the New Tread or Reply page, Click on the IMG code button above the message text box.
7. Press Ctrl+V to paste the image address into the dialog box and click on OK
8. The following should appear in your message [IMG