depending on our user group permissions we may or may not be allowed to actually upload "attatchments". The easiest thing to do is use a free host or temp picture hosting site and then use the BB or html to display it in a post.
say you upload your picture to http://www.freepichost.com (made up name)
and your image name is myimage.jpg
your BB/html code in post would look like this:
make sure you end your closing img tag with a bracket...I had to leave it out so you could actually see it and the board doesn't think I'm really trying to show an image: it should end with [/img]Code:[img]http://www.freepichost.com[/img