The following HTML allows you to show a video in LightBox2.
<a href="http://www.youtube.com/embed/<VIDEO ID>?autoplay=1" rel="lightframe">Click me</a>
We could control the size of the popup.
<a href="http://www.youtube.com/embed/<VIDEO ID>?autoplay=1" rel="lightframe[|width:320px; height:240px;]">Click me</a>
Update @ 2014-01-24: Instead of hacking into LightBox2 module, you can use the hook_js_alter() as suggested by Sunny Gambino. Thanks Sunng. =D
LightBox2 will show the image title as caption in the popup.
But apart from the title, i would like to add extra text to the popup. Unfortunately there is no proper way to do it. So i have to hack into the lightbox.js.
Continue reading Drupal 7 – Add extra text on the LightBox2 popup
The ImageField allow you to add description on every image which you upload in the node. It could be enabled in the content type -> manage field. Continue reading Drupal – Increase ImageField Description Length