You can create simple Image Templates for PostIt and Lights Out! by creating a simple hyperlink in this format:

http://www.classtools.net/lite.htm?postIt=www.myhomepage.com/myimage.gif

http://www.classtools.net/lite.htm?lights_out=www.mysite.com/image.jpg

Simply ensure that the web address after the "=" symbol points at the image you want.

Simple!

Here's a sample of how such a hyperlink could be set up as an activity on your website / intranet:

Ford Maddox Brown: "Work"
Label the picture according to the following key: Blue Labels - Evidence that Victorian Life was unpleasant; Yellow Labels - Features showing that Victorian Life was pleasant. Be sure to include text in each label explaining what you can see!