Step 1 - Download the file
ripple.class
Step 2 - Paste the following into your page
<APPLET CODE="ripple" width=100 height=107>
<param name="image" value="laptop.gif">
<param name="period" value="25">
<param name="frames" value="12">
<img src="laptop.gif" width=100 height=107>
</applet>
Step 3 - Change the name of the image, width and height commands.