Flowplayer can play flv,mov,mp4 with fullscreen option, and NOT youtube videos. If you already installed FancyBox plugin, then all we need to do is to place the scripts with a splash image and the link to the video file and make sure the "flowplayer-3.1.5.swf" url is correct on your website. If you want to play flowplayer on an html page, you need to load the "jquery.tools.min.js" (this includes tooltip), if you just want the flowplayer js then download the "flowplayer-3.1.4.min.js" file to the head of your page like this, anyhow, it's either or and not both. I added the jquery noconflict for the tooltip there.

<script language="JavaScript">// <![CDATA[
     flowplayer("flow", "/fancybox131/flowplayer/flowplayer-3.1.5.swf");
// ]]></script>
<p style="text-align: center;"><a style="display: block; width: 500px; height: 300px;" href="http://vod01.netdna.com/vod/demo.flowplayer/flowplayer-700.flv" id="flow"><img src="/testvideos/flow_eye.jpg" alt="flowplayer" /></a></p>

NonverBlaster Flash (flv,mov) Player with fullscreen option, I don't see support for youtube videos.

This is a totally free flash player for any website, easy to set up although the instruction is not very clear on its website. If you already installed my fancybox plugin then you're already to go. All you need is to use the same script here for each flv or mov videos and its picture. If you just want the player for an html page, then load the requirement files "swfobject" & "nonverblaster.js" to the head page like this. If your head page also contains the swfobject 1.5 for jwplayer already then you don't need to put this swfobject (2.0) on there. You only need one swfobject for all players.

<div style="text-align: center;" id="player1"><a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> and Firefox,Chrome,Safari,ie8 to see this video!</div>
<script type="text/javascript"></script>
<script type="text/javascript">// <![CDATA[
    var s1 = new SWFObject("/l2plugins/nucleus/plugins/fancybox/NonverBlaster.swf","single","500","300","9");
    s1.addParam("allowfullscreen","true");
    s1.addVariable("mediaURL","/testvideos/nice-flowers-hd.mov");
        s1.addVariable("teaserURL","/testvideos/flower.jpg");
        s1.addVariable("autostart","true");
        s1.useExpressInstall('/l2plugins/nucleus/plugins/fancybox/expressinstall.swf');
    s1.write("player1");
// ]]></script>

Nucleus plugin has flashvideo player that uses JWplayer that works very well, but it doesn't support full screen and playlist option or we don't know how. Assuming we followed the instruction on the plugin page and installed the plugin correctly, all we need to do is to copy a youtube link and place the code in tinymce editor.

"(@)<%flashvideo(http://www.youtube.com/watch/v/MvgN5gCuLac)%>" must have the @ in front of "<" 

JWPLAYER

We use jwplayer playlists a lot, therefore we need to use the code generator from longtailvideo.com. We just place the vars and it produces the embeded code for our page. We placed all down loaded files to a folder in the root directory for accessing everytime we use the code generator. After we did it once, we can just copy the codes and paste to other pages with the new*.xml name.

We need to make a playlist file in xml extension, put it in a folder and direct the player to that file. Here it's youtube.xml, the playlist names/icons are placed to the LEFT, we want the player to play through all the videos, we must select repeat always, volume initial set to 50%, when everything is done, click preview and select embedded codes for NucluesCMS...