Method 1: From main menu choose Object | Insert | Picture.

Method 2: Click at in Edit toolbar.

Method 3: Right-click at label and choose Insert | Picture.

Method 4: Drag image file from Windows Explorer and drop it to label.

Method 5: Paste it from the clipboard.

 

See also:

Insert scanned picture

Insert text

Insert circled text

Insert shape

 

Picture Properties Window

Picture Toolbox