Wild at Art Atelier on "[Plugin: WooCommerce - excelling eCommerce] Blurry Images"

Hi!
I have a problem with my product images, they are all very blurry. I have tried several things but nothing seems to be working...
Could anyone help me please, I would be very grateful!
My website is: test.wildatartatelier.com

http://wordpress.org/extend/plugins/woocommerce/