ntop and "Can't find font"

[stan]

I have installed ntop on 9.04, sing the package. It mosttly works, but when
I go to IP -> Local -> Network traffic map, instead of seeing a noice map,
I just gte lot's of errors about not being able to find a font.

What can I do to resolve this? 

-- 
A: Because it messes up the order in which people normally read text.
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