Adding an image to a blog comment is straightforward. Here’s the piece of code you need.
[img src=" "]
Simply insert the http:// address of your uploaded image between the quote marks above, then replace the square brackets [ ] with < > and you’re done.
Update: 21 April 2009
When logged in, I can insert images into my own comments, but there are issues with visitors doing likewise. I’m unsure what’s missing, but that’ll be why your test won’t work here.
If the image you’re inserting is larger than the width of the comment box use the following code with the width addition (again inserting the URL and changing the brackets:
[img src=" " width=400]
You’ll see below how I’ve inserted an image into the comments. Perhaps you have a business card that you can show off like others have on this post.