I have the following code setup but no captcha is appearing. Am I missing something?
<p>{captcha}<br />
Please enter the case sensitive text above in the field below, then submit.</p>
<p><input type="text" name="captcha" value="" tabindex="16" /><input type="submit" name="submit" value="Submit" tabindex="17" /></p>
EE 1.6.3
