Web computed rich text field doesn't show images, attachments

I am trying to display a document, which contains images and/or attachments as well as bold font, etc. in a computed rich text field on a form displayed in ie browser window. I created the computed rich text field, properties of ‘display using html’ and ’ store contents as HTML and MIME’ clicked, but all that dispays for images and attachments is the red x boxes. If I launch this document in it’s own ie window, it’s fine, but don’t want it opening in it’s own window, just in a large section of the form that’s being display on the screen.

Also, form property of ‘render passthru html in Notes’ is clicked, as well as ‘generate html for all fields’

Any ideas, anyone?