melistik

The plugin insert a icon on insert/edit page. With a click on the icon you can see the smugmug users, that you’ve specified on the settings page. By browsing threw the public albums of the user you can easily add pictures within your posts and pages. The size of the thumbs and lightbox images can be configured.
The plugin insert just the url of image, the image itself remains phisicaly on the SmugMug servers. So when you change the album-name the url won’t match anymore!

SmugMug Insert

Browse photos from multiple SmugMug-Users and add them to posts. Integrated smoothly within the text-editor. Configurable thumb and fullscreen-sizes.

twicklund

Allows users to search and embed images into posts or pages directly from their SmugMug accounts.
This plugin adds a custom block into the post/page editor called “Embed From SmugMug”. Post and page authors can navigate available galleries from their SmugMug account and choose images to add.
The plugin first authorizes the user to a smug mug account. In the settings screen, the administrator decides which galleries will be available to the author, the sizes available, and several other options.
<h3>More Information</h3>
For more information, please visit https://www.wicklundphotography.com/smugmug-embed-wordpress-plugin/

SmugMug Embed

Allows users to search and embed images into posts or pages directly from their SmugMug accounts.

SmugMug Insert vs SmugMug Embed