The upside: the script appears quite stable and functional.
The downside: you have to manually type in the Yahoo users ID into a form before you get the results. Would be nice to see it load a given ID automatically on visiting a page.
Sponsoring your listing gives significantly better visibility for your listing in Hot Scripts. Typically sponsored listing receives considerably more clicks than free listings. We strongly recommend you sponsor your listings. Sponsoring one listing now costs only USD 29 per month.
If you want to make listing to your favorites, then you need to login into hostscripts. Click on login and proceed.