If you'd like, you can send a client a link to their photo gallery through their booking in Check Cherry. Simply click on the booking you'd like to send photos to, and scroll to the bottom; here you'll find the link to the Media section:
In the Media section, you can add a link to the photo gallery and/or video gallery:
Create a message template for sending the photo album link:
Go to Manage -> Automated Messages and click New Automated Message.
Scroll to the bottom and select Message Template.
Select 'Create a new one from scratch'.
Compose your email - be sure to include the fields for {{event_photo_album_link}} from the list in the right sidebar.
To send the email to your client:
Click on the booking.
Select Manual Message, and choose the template that you just created for sharing the photo album.
Customize the email if you like, then click Send Email.