On install settings page needed 3 or 4 updates updates to enable the various locked options to allow users to upload an image, set it t obe resized, and finally what size to resize it to.
Upload images popup then has two broken image urls including the one that shows what the cropped image will look like.
Cropping ability not even made available on upload.
I feel these faults are so basic that I doubt much testing has been undertaken by the developer at all.
Notes: This was installed on a local test server with no other plugins and the Twenty Eleven theme.