From the floating toolbar, click on Modules. Locate the Image Gallery module, then drag and drop onto the desired location on the specific page.

Above the newly added module is where you type in the gallery name.

To add photos, click Click here to upload your images. Locate your Image and upload.

If you choose to import photos from Picasa, then select the Picasa radio button and follow the directions to authenticate.

You also have the option to change the size of the image thumbnail. Select the Gallery Properties and select from small, normal or large.

Click OK, then publish.