Thank DanielMartin, good post.

I've been using this command to rid myself of flash cookies.
find / -name ".macromedia" | xargs rm -rf
or find / -name ".sol" | xargs rm -rf

Beware, that if you type in the wrong address or etc you could delete important file which may cause problems.

I do the first one after any flash web session, since I usually keep flash of till needed.

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