Thanks for contacting us.
Please see a screenshot from our demo – http://prntscr.com/nqgdke
If this doesn’t work correctly for you, provide URL and temporary wp-admin access, so we can take a closer look.
IMPORTANT: Be attentive, use only Private content area to post private information like access to your Dashboard http://prntscr.com/nr0k0t
In other case, this information will be available for the everyone on the support forum!
1) We can’t login to your Dashboard with the credentials you provided.
2) To change the images size go to Appearance > Customize > WooCommerce > Product images > Thumbnail cropping > choose uncropped or custom to set vertical proportion 3×5, for example. Use Regenerate thumbnails plugin after that to regenerate thumbnails and apply changes.