After going through my weblogs i noticed that some images were being hotlinked from remote webpages
I searched around for an opensource ISAPI filter which would stop hotlinking, but failed to find one that worked. So i made my own It seems to do the job and if anyone is interested i can post the source.
(i added irrlicht to the 'trusted' websites so images in this forum will still show up)
ISAPI Hotlinking
if you have the guts you can try out a release build of the filter, grab it here http://members.shaw.ca/okmot/isapi_antihotlink.zip