Tweaking Adobe Flash Player

As you may have noticed, flash player uses /tmp/plugtmp* directories for storing some sort of temporary files and it doesn't delete them causing a lot of stale plugtmp directories in /tmp. If you want those directories to be removed when you exit your browser, just add the following line to /etc/adobe/mms.cfg and save it:

AssetCacheSize = 0

Flash player 10 administration guide