UPLOAD PICTURE WITH LARGE SIZE
this article can describe how to upload picture with large size ?
1. Setup - More Menu - Module - Image width - Save
2. Set Upload Image Resized & Stored Width
Note : image width : 80,100,160,640,1280 etc
3. Upload picture with large size in menu product.
4. After that you can see picture in menu product can be change with large size.
Now you can difference before picture with normal size and large size