[Plugin: You Tube ColourBox

I’m looking for some help, I installed the You Tube ColourBox Plugin to my site (http://www.largsscoutgroup.co.uk) The Plugin seems to work and I have added 4 test videos to it but it does not seem to transition between the videos.

I have set the Video count at 2, Video Transition: Fade, transition speed 200 and opacity: 0.8

Nothing I do seems to work, i just get the first two videos on the list static on the page. i’m using Firefox 12, but I have also tested with Chrome 19.0.1084.52 with the same result and IE9 the videos did not even show at all.

Any help with this would be appreciated