An ideal category image is 300px X 300px. Also, make sure the image is compressed to a 50% compression level on this website:
http://jpeg-optimizer.com/
Update Image
Images are compressed and resized to 600 X 600. Make sure you are starting with a square image that is at least this size please.
(i)-vegetable-1665512793.jpg)
(i)-vegetable-1665513449.jpg)
-vegetable-1657204687.jpg)
-vegetable-1657204695.jpg)
(i)-vegetable-1665513438.jpg)
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