Wowza! Libby at SJCPL does a nice twist on the Meme of Four and relates it to what the library offers. Check it out and adapt it for your library blog!
http://www.libraryforlife.org/blogs/lifeline/?p=527
Let me know if you do!
Update:
The LiB reports: I did this for our library blog a while back and tagged other library blogs, though to my knowledge none of them picked it up: http://marincountyfreelibrary.blogspot.com/archives/2006_02_01_marincountyfreelibrary_archive.html#113891940102245290