Rats....I've tried umpteen times to upload screen shots here but each time I get timed out. It is the same story whether using Firefox or IE.
Michael, are you using the Upload Images link at the top of the page, and the resulting upload page that Hagar provided a link to?
Once you have selected the items you want and hit the upload button, the resulting screen should show you image links that you copy/paste into your post.
Is that how you've been attempting to do it?