@Joomla_Direct Yes, Captions is compatible with Joomla 1.5. A new version will also be released this week.
Create a Media Popup
JCE MediaBox 1.x is required for this type of popup.
* A browser cookie is used to store the autopopup state - whether it has been opened already - when using Autopopup Single.
Example HTML created by these steps :
<a href="/myvideo.swf" type="application/x-shockwave-flash" class="jcepopup" rel="title[JCE MediaBox];caption[JCE MediaBox is great!];width;height">My Video</a>