Easiest way to find and remove duplicate files?

My wife is a photographer and she's terrible at file management. Consequently she has duplicate versions of images stashed all over her almost full hard drive. What is the easiest waty to find duplicates of files so that I can get rid of them? Any freeware out there that does something like that? This would be for her Intel-based macbook pro running Tiger.

Having spent several hours a few days ago organizing files, I was intrigued by your question.
I found Singular which is appears to be freeware, for at least the time being. There's a link on the registration page that will register the application for you — I assume Singular has to be running for that to work, but that's just a guess.
http://www.emeraldion.it/software/macosx/singular.html
After you run Singular and drop files/folders on it, you can double click a duplicate entry and both versions are displayed.
Good luck!

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