I agree aswell, I think it is a great idea, even just for your own ease of finding stuff once you have a large collection of art. I have all my art in the one directory and i use long names for them, for example: 'backdrop - village street 01a.bmp' and 'monster icon - kobold guard.bmp' etc, it makes it really easy to see what it is if the name actually means something.
Cheers, Jeremy.
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