[Plugin: NextGEN Gallery] Create new thumbnail, Running…please wait 0%

I uploaded one single image using the Flash uploader. It is a 1.8 MB image. I see the image in the /gallery/galleryname/image.jpg and received no memory error messages. Why will it not create the thumbnail and add it to the Gallery in the admin? It’s stuck on Running…please wait.

I also turned off Flash and it still doesn’t work.

Thanks for your help.

Edit
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Forget it…I think I figured it out. I think the images were still too big to crunch. Resampling them now and will see if that works.