Where I've put in ***'s in you will have to put a link/url to a .png image so this comes up in your MCE menus. Also change the references to the BBC webiste you could also play around with the other bits but for an IE link theres no need.
Once you have done this save it as a .MCL file to the following location.
ACCESSORIES -> MEDIA CENTER -> MEDIA CENTER PROGRAMMES ->
Once you have done this it will appear in 'More Programmes'