An Incanter Cheat Sheet (here, via @liebke) -- Incanter is a Clojure-based, R-like statistical computing and graphics environment for the JVM.
Clojure Robot on Google Wave (here, via @gwavecompendium) -- This is a rather old article, from last July
Writing a Clojure web server in less than 100 lines (here, via @delicious50) -- That's from 2008, but it shows how to wrap Jetty and how to write a small servlet in clojure.