bITCurtain has been created by Blupixel IT Srl and is released under the GNU General Public License.
To check it, see http://www.gnu.org/licenses/.

It animate a layer over the image by changing his dimensions on mouse over event and create a curtain effect starting from an html like this:
<div id="yourID">
<a href="yourlink"><img src="yourimage" width="immwidth" height="immheight"/></a>
...
<a href="yourlink"><img src="yourimage" width="immwidth" height="immheight"/></a>
</div>

Read the README in the package for more information on how to use it.