You can add a photo gallery to your newsletter page.
When creating or editing a newsletter page click the Add Media button.
- Click the Create Gallery link on the left.
- Upload, or select the images you want to appear in your gallery.
- Click the Create a New Gallery button.
- In the right-hand Gallery Settings pane, set Link To to Media File.
- Set Size to Thumbnail.
- Click the Insert Gallery button.
After clicking Create Gallery, you also have the option to caption your images, as well as drag them around to rearrange them.