There are many random quote plugins already, but all require you to supply the quotations yourself. This one supplies the quotes itself! Quotes can be
This simple plugin is a widget that displays a list of random posts on your widgetized sidebar.
Reads from your myPh3 gallery and shows a random image from it on you Wordpress blog
Selects a defined number of random posts from the archive and shows them on the front page
Creator of random poetry out of your posts and comments.
The Random Featured Post plugin allows you to display a random post from a designated category as a “featured” post.
A simple random phrase plugin that can be used anywhere, via PHP or shortcodes.