[Plugin: Image resize wizz] problem when url image deleted

This plugin is excellent but creating problems when the image hosted on other url gets delete.
On my frontpage i have some posts whose images deleted then the frontpage loaded upto those posts who had images working. Its kept loading but never finished, after that no page opens.
I had to disable my domain everytime to stop it to enter into admin panel and deactivate plugin.

plz fix this bug

http://wordpress.org/extend/plugins/image-wizz/