I did just look again, and it appears that they've changed the storage directory to:
So I've been using this line in my crontab for a long time now without any problems (well no more problems than I usually experience with Flash under Linux):
* * * * * rm -fr
I think this solves the problem, but maybe I'm mistaken...?
"You can't get very far in this world without your dossier being there first." -- Arthur Miller