To create a public promotion page for a video you have created, navigate to 'my videos'. Once you have found the video you wish to use, click 'play video' which will display your video page.
Underneath your video there is a section titled 'Public video promotion page'. Click the tickbox to enable the public promotion page for this video.
Complete the short form detailing the information you would like present on your landing page and click save.
After you have completed the above steps, a public promotion page URL will be visable under your video. You can make changes to this page at any time using the same steps as above, however please be aware that any changes made to your public promotion page will appear in any location where you have shared the link.