It is very very easy all you have to do is to add &autoplay=1in the embed code of the Youtube video.

Here is the way

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It not just meant to expando script you can apply any of the HTML Script ot your WordPress Blog, just follow the below instruction:
<script type=”text/javascript” src=”http://coolabhay.com/wp-content/uploads/2009/04/expando.js”>
</script>

>> This code is a reference to expando.js, download it or let it be like this.

1. Copy the code  below..
2. Open theme editor under design tab of your main screen of Dashboard.

3. Find the head portion of the theme, particularly you will find it in header.php

4. Paste the code for the head portion of Expando Script.

5. Pasting the code before </head> is preffered.

6. Now what do you want, it is done.

Add

class="expando cat"

in image code to add effect.

Eg.

<img class="expando cat" border="0" src="put the image address here" width="200" height="88">

 

I was surfing over Dynamicdrive.com when I encountered this script. This lets you show your pictures in a different way, as the name says it expands your pictures when cursor is moved over them.
Demo you can see below

How to apply the script?

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