A while back, I came across a DIY Ring Light tutorial, and you all know how I struggle with lighting and macro photography. So I made my own! For less than USD$10!
Here're the results of the test shots ^_^:
Overhead lighting, no Ringlight
Overhead lighting, Ringlight
I decided to just go ahead and create an Instructable, since you can also download all steps of it in PDF form, please share the above link (or this blog post) with all your friends if you have found it interesting or useful :)