Pixabay.com and Pexels.com have images free of use (make sure to read their license in case, though) You can type in “grocery store” and find cool images. And if you want to re-size them, here’s a great thread on that: HOW TO: Resize Images 
Pixabay.com and Pexels.com have images free of use (make sure to read their license in case, though) You can type in “grocery store” and find cool images. And if you want to re-size them, here’s a great thread on that: HOW TO: Resize Images