Chuck, Dropbox should give you a way to access the URL of the actual jpg photo that you can link to, and not just the HTML page in which the photo is embedded. Find that link, surround it with img tags here, and the photo will appear. For example, for your Parks whistle set:

I found the photo URL by digging through the HTML page source, but Dropbox should give you a user-friendly way to do that. If not, doing as you've done by just posting a page link that the Chiffy reader can click to see the photo is perfectly acceptable, I think.
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Vivat diabolus in musica! MTGuru's (old)
GG Clips /
Blackbird ClipsJoel Barish: Is there any risk of brain damage?
Dr. Mierzwiak: Well, technically speaking, the procedure
is brain damage.