Wondershare Photo Collage Studio 4.2.11.20 Online Manual

Click the “Frame” tab to add a frame to the current photo. You can select a frame type from the Frame Type drop-down list. There are six built-in frame types available: Cartoon, Classical, Emotions, Miscellaneous, Occasions, Customize. Select a frame type and all the frames of the selected frame type will be shown in the frame pane below. Double click a frame to apply it to the current photo. You can also select Customize to add frames of your own from your hard disc to the Customize type list.

If you want to clear the frame, just right click the photo in frame and choose the "clear frame" action. You can also directly click the button in photo edit menu to realize.