Here's something for the Juno Books authors with a future release date--that includes me! I like the idea of a graphical panel with links for pre-ordering, book info, and a countdown timer to the release date. So, I spent a couple hours goofing with javascript, images, styles, etc., and created the Juno Books Countdown Widget.
Here's what it looks like with Dru's book out in April:
I posted the code and directions on my blog. (http://the0phrastus.typepad.com/). Grab it, fill in the values for title, author, image URL, and a few links to Book Sense, Amazon, Barnes & Noble. Paste the code in your blog sidebar, any web page, and you're done.