You put this URL in the "Optional Image URL" box, Ben:

http://chipguide.com/tcbuploads/C:/MyDocuments/MyPictures/NAMNGUM.jpg

What you needed was:

http://chipguide.com/tcbuploads/NAM%20NGUM.jpg

Best to leave spaces out of your file names. Also, don't include any of the filename qualifiers from your drive... just the name itself following Greg's string.

DonL