Alter Your Image Sizes

To alter your images sizes you will need to go to Appearance > Customize > Image Sizes. Here you will find different panels for the different images (Entries, Related Posts, Homepage Slider) click on the one you wish to edit then you will be able to enter the width and height for each one. Once you choose the sizes you want you’ll need to “regenerate your thumbnails” because WordPress only resizes images as they are uploaded. There are many plugins for this but we recommend one of the following: