HI, you need to change the image "shape" in a few places for the image to display correctly.
Online Dashboard, Website, Edit Site, upper left click Page: Home down arrow,
1) Shop All, select Item List, select Item Images, select proper Shape, Done
2) Page: Shop All down arrow, scroll down to Item Pages, select ANY one of the items listed, select Item Details, Image Gallery, select proper shape (to match shape previously selected), Done
3) Page: (whatever item you selected previously) down arrow, select Home, **if you have Featured Items on the Home page**, Content, Item Images, select proper shape (to match previously selected), Done
Once all these are set to "fit" images will appear correctly.
