IMRef.com helps you quickly make and share ordered playlists of Youtube videos.
To get started, do a search. Your videos will appear in the middle section and you can play them and drag them around to order them as you wish.
After you've created your playlist, give it a title using the "Set playlist title" button, and then save it using the "Save" button.
Saving your playlist will create a page at this site you can share with others.
You can add more videos by searching again or manually using the "Add links" button.
Enter a list of links to videos at Youtube. They'll be added to the current list.
Set the title and description of this playlist
Enter the URL to a Youtube playlist to import its videos
Enter a note that will be saved with this video