delicious star rater for Greasemonkey
http://userscripts.org/scripts/show/36457
"rate your most favourite bookmarks on delicious.com with an awesome star-rater. Rated bookmarks will be highlighted within the bookmarks list for easy recognition. The rating is processed with star-tags (★)."
Google's Old Favicon – Userscripts.org
http://userscripts.org/scripts/show/27548
"You might find (I did) that your Google bookmark may spontaenously revert to the new g favicon (leaving tabs and the URI bar with the G)."