What steps will reproduce the problem?

1. Try to run the script with a muzu url (e.g. http://www.muzu.tv/katy-perry/unconditionally-making-of-musikvideo/2138121/)
2. Error "Couldn't extract Flash movie URL. This site may need specific support adding, or fixing."

What is the expected output? What do you see instead?

Expected: Video download Instead: "Couldn't extract Flash movie URL. This site may need specific support adding, or fixing."

What version of the product are you using? On what operating system?

combined-get_flash_videos-1.24 OS X Mavericks