That will work, however I found that I had to also hide the img tag on the selectimage.aspx page as well.  You don't suppose this could be something that could be modified via the security file in a future version, similar to allowdelete/copy/rename?   Thanks.

Thanks for the reply, but I should have been more specific.  I'm not trying to disable the auto resize feature, I'm trying to disable the auto thumbnail feature.  I don't want users to have the ability to regenerate a thumbnail of an image.   See image:  I want to disable the circled feature.  Is this possible? ...

Is there a way to disable the auto thumbnail feature (insert image)?  I would like to be able to restrict a user from using the auto thumbnail feature.  Is there a way to do this in the security file or some other setting?  I would like to avoid modifying the insertimage files to do this.   Thanks for any help.