Images have to reside online before you can add them to a post. If you already have a Flicker account or similar you can add the picture to that account first, then you can link to that image by the following instructions:

[img:80f7578491]http://www.team-pinnacle.org/media/images/forum/How_To_Add_An_Image_To_The_Forum.jpg[/img:80f7578491]

Ryan