This gallery takes advantage of the built-in gallery features of WordPress. Simply use the WordPress admin to create a standard gallery and insert it in the page.
You can adjust the size of the thumbnails and full-size images in the settings. You may need to rebuild your images.
Options are under Settings > PhotoSwipe 2.0
You can try:
Ben and Loren are passionate contemporary wedding and new born photographers who came to Thrive in need of a complete site refresh. We designed a clean, fashionable and simple website that gave HelloCharlie Photography a unique online personality that could effectively show off their beautiful photography.