Posting an image.

Okay....

It says -- Hamster reports you did not enter a URL.

Then a message pops up (on my computer) instructing me to notice the toolbar pop-up at the top of the page.

The toolbar says "This website is using a scripted window to ask you for information. If you trust this website, click here to allow scripted windows..."

So....

Click on that

Thanks, Boomerang. I tried what you said to do, and it works.
Click on "temporarily allow scripted windows"
Click the "image" button
Enter the image address
and.....