If you want stricter rules for Star Ratings usage, try out Star Rating Custom Fields By Waindigo.
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Upload the contents called 'Upload' to the forum root.
Install Smilie Importer by Waindigo.
Import the xml file called star-ratings-smilies.xml.
If you have sonnb - Bulk importer for smilies management you must disable that first before you attempt to import this file in the smilies section.
Likes: zamal and spencer