I'm not sure exactly what you did, Sarah, but if I look at it as the sysadmin, I see -DEL- tags rather than -IMG- tags. That would also explain the strike-throughs.
Below is what happens if I use the -img- tag at the top of the text box. (This requires having the image stored on a server accessible on the Internet, of course. If you want to upload the image to this server, you need to use the attachments link at the bottom of the page.)

And here's your image in an -IMG- tag:

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This reply was modified 8 years, 8 months ago by
Mike Nolan.
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This reply was modified 8 years, 8 months ago by
Mike Nolan.