The thumbnail shown in the catalogue is automatically generated. You can also upload your own thumbnail. The uploaded image will automatically resize and replace the previous one.
- Click on the more… to get into edit mode (see previous paragraph) of the thumbnail you want to replace.
- Proceed with modify.
- Select Use Picture to get the Add file option
- Click Browse and select an image
- Continue with Update
NOTE: You might need to refresh your browser cache before the image is shown.