New Install, Image resize not working

I’m new to CS Cart, in the process of migrating a site from XCart. I have installed v2.1.3 successfully and imported my products with images successfully.

However all the image thumbnails are being scaled, not resized. I’ve tried changing the thumbnail settings in the admin section, and the sizes will change, but all the images are still be scaled instead of actually being resized. I checked the ftp thumbnail directory and each product detailed image is being copied over as I look at it, but in the original size.

Looking through the forums, seems others have had problems too, but can’t find any specific fix.