I find the best way to post pics on most forums is to setup a Photobucket (or similar) account. Upload your photos there and use the IMG link for each photo when posting to a thread.
The IMG code looks like this:
Code:
[IMG]http: //i74.photobucket.com/albums/i271/guruerror/Assets/Personal/rising_redgiant.jpg[/IMG]
...when included in the text of a post it displays the image, like this: