This function can help you to add a frame on a photo. Click button "SubFrame" on the left toolbar, you will see frame browser pane on the left. You can select a frame type from the Frame Type drop-down list. There are two built-in frame types available: Cartoon and Normal. Select a frame type and all the frames of this will be shown in the frame pane. Choose a photo and double click or drag a frame to add it to the current photo.

Tip: If you want to clear the photo's subframe, please choose these photos and click the button "Del SubFrame" on the left toolbar.