JD, The problem Jim mentions was a specific version of Firefox (now replaced by Mozilla). It's not exactly the same but IE has had updates that can cause the same result. It honestly doesn't sound like you are having that problem but it is possible. Your config can change without you knowing it from Windows updates. Same for security software, it will update it self and change things around. But in this case, our server changed a couple of weeks ago and that is suspicious that it could be on the server.
The problem is that IE is protecting you when you don't want to be protected. Under some condition, it's not allowing the script to run thinking it's some bad script trying to access another site. Well, it is trying to access another site, tractorshed.com where the photos are stored.
If this is the problem. It means I have a bug in one of the upload categories where it's not (for IE's sake) calling tractorshed.com by it's yesterdaystractors.com name. I created a name of photos.yesterdaystractors.com to get around it. It may be that somewhere in my code, under some condition, it's not calling by the name Microsoft forces us to use.
I figured I'd test to all galleries today and see if any fail for me. Doing some other stuff at the moment and then I'll get to it.
One other thing that I doubt is the problem is that if you do anything, click back up to the text window etc, prior to the photo url being filled in, it will cancel the script that fills in the photo img url. Then the upload went fine, it just doesn't put the link in your post.