... given that though they are for my website, they appear to be owned by root and with permissions that exclude me.
I do hope I don't have to send an email to "root" every time I need to clean up after a web site removal...
If they are owned by root they don't count against your disk usage quota. You do have to contact our support if you want them removed for cleanliness or something.
This is actually an issue, and Tavis was looking into some kind of cleanup script to remove the log files from old domains that have been deleted..
Wordpress Gallery2 Integration Community -> http://wpg2.ozgreg.com/