Captcha fix again

I have a captcha that i setup that only works for about 50% of the people. People often get an error even though the numbers/letters are easy to read. The problem doesn't seem to be browser specific.

I have several forms that access the same script: cgi-bin/formmail/[url removed, login to view]

The first one to fix is at [url removed, login to view]

I'm open to installing a whole new captcha if it is really easily readable.

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