case in point. I tried hard to get the first captcha to match, but I had to reload the page before trying again with a new image. My readers hated that. Its also discriminatory to blind readers. That's why I gave it up. BTW this is try 2 for the second post...er try 3...er refresh and cross fingers (getting frustrating)
Never liked the captcha. I really don't, now that Yahoo! uses it. I found that version 2 of Bad Behavior seems to work really well. Nothing to maintains and no false positives that I know of yet. You might wanna try it (and most templates can display its stats in the footer of the page.