Note: You are currently viewing documentation for Moodle 2.3. Up-to-date documentation for the latest stable version is available here: Certificate FAQ.
Where is the conditional setting about grades?
Your site administrator needs to turn it on in Site administration > Advanced features > Enable conditional access.
My old watermark does not work in 2.x certificate
The default 2.1 certificate type code sets the transperancy of the watermark image to 10%. Either change the watermark image so it is darker, or adjust the $pdf_SetAlpha setting. See Certificate customizing and the "Adjusting transparency of an image" section.
Where can I download a copy of Certificate
It can be found at github.com/PukunuiAustralia/moodle-mod_certificate. It is not in the Modules and plugins database at this time (November 2011).