How to show a YouTube video?
Use the following HTML code:
<a href="http://www.youtube.com/watch?v=WyA1dzfKywg&height=450&width=800" rel="sexylightbox" title="Video">YouTube video</a>
Extra parameters for YouTube videos can be found here. For example if you want to show a YouTube video without related videos, use the following code:
<a href="http://www.youtube.com/watch?v=WyA1dzfKywg&height=450&width=800&rel=0" rel="sexylightbox">YouTube video</a>