1. A method for generating data for a recording medium, the method comprising: receiving original content data representing a plurality of still images; identifying a first subset of the still images to be recorded with copy-protection and a second subset of the still images to be recorded without copy-protection; converting data representing the first subset into moving image data; copy-protecting the moving image data; and generating new content data, the new content data including the copy-protected moving image data and data representing the second subset.