Testing In a just created site, install mod_certificate: Go to the mod directory of your site and install mod_certificate: cd mod git clone https://github.com/mdjnelson/moodle-mod_certificate.git certificate Go to admin and upgrade will start, installing the certificate activity. Go to mod/certificate/upload_image.php In image type, select "Seal" and upload any JPG (it's important that the file has to be a .jpg !!) with name "moodle.jpg" (See attached moodle.jpg for example) Save changes. Verify that in the "moodledata" directory there is a "mod/certificate/pix/seals" directory and that the just uploaded file "moodle.jpg" is there. In a course, enable editing mode and create a certificate activity: Set an activity name. Expand the "Design Options" In the "Seal or Logo Image" menu, select "moodle". Save and display Verify that you're in a page with text "Summary of previously received certificates". Verify that in the "moodledata" directory there is a "mod/certificate/pix/seals" directory and that the just uploaded file "moodle.jpg" is still there. Click on "Get your certificate" Verify that you see a "Certificate to Achievement" to your current user. Verify that the certificate DOES show the JPG that you've uploaded on the bottom-right part of the certificate. Previous behaviour (not part of testing) Repeat steps 1-8 above, then Verify that in the "moodledata" directory there is a "mod/certificate/pix/seals" directory and that the just uploaded file "moodle.jpg" is has disappeared. Click on "Get your certificate" Verify that you see a "Certificate to Achievement" to your current user. Verify that the certificate does NOT show the JPG that you've uploaded on the bottom-right part of the certificate.