how to have Gavick Image Show module only in home

Hi,
I would show Gavick Image Show module only in the home page.
In Module Manager I have done this: Gavick Image Show -> Menu Assignment -> mainmenu-> home.
The problem is that in the home I have the catogory list of VirtueMart so if I click on a category or on a product I see always the module.
How can I do to see this module only in the home page?
My web siti is www.umbriaoutlet.com/index.php
P.S. remember to use /index.php because my site is under construction and so is not available at www.umbriaoutlet.com.
I'm waiting.
Regards
Marco