Young teachers can help with it. Students complain it is slow, but that allows them time to read the pages. Macromedia Director is sophisticated but requires training to master it. Authorware is sophisticated, though it can be learned from the manual. Students are a great help for computer expertise, artistic design, and enthusiasm.
Pictures are expensive and permission is hard to obtain.
Use your own or public domain. Textbook publishers are focused on books. Interactive programs confuse them.