Look at the examples of other posts for image codes (reply to someone's post and then punch that little A/
A button on the upper right of the edit window bar).
Example pic tagged ...
Here's one of yours: ah interesting... something is gummed up with your source server?
Yeah, using the http directly is no dice -- then I noticed the tiny "show codes" under each pic ... trying those now.
I finally got it to work by just dropping in the Thumbnail #1 code fragment they supplied raw (without using this forum's image inserter).
Anyway, very interesting sketches -- not everyone is "beautiful" but they have realistic vibes even when they're artistically distorted.