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.