Here's a display idea that...

• is self-serve instant-gratification readers advisory
• increases circulation
• can ease the "pain" customers feel while waiting on a long holds list

Oshkosh Public Library used this display of readalikes for recent bestsellers that have 30+ holds:

Try attaching a "shelf talker" card or sign to your fiction shelves — it might lead to happier readers, and increased circulation of your fiction collection.

Over on the PubLib discussion group, Arthur Krull asked :

Need some quick & easy tips to boost circulation at your library?  Try one of these (emphases mine):

Want to increase circulation of your library's audiobooks? 

Try this: create a display of...

Take a look at this 3-minute video to see how Heather Johnson's took her library's adult book club "to the people", where three bars have become venues for drinks and discussions. You can watch the video embedded below or at the Wisconsin Public Television website.   Found at Wisconsin Public Television's Wisconsin Life tumblr, with a hat tip to Mark Arend.