I have a web site in which there are 3 paltform, one of them is zenphoto.
I would like to put the preview of the last photogallery in the home page. somebody can help me?
thank you

This might be of use. But the album needs to be in the same folder path as the page that will be using it.

Since you a probably speaking of a home page outside of Zenphoto you would have to use this:
http://www.zenphoto.org/2008/01/hacks/#zenphoto-as-plugin

and one of our image_album_statistics_plugin functions:
http://www.zenphoto.org/documentation/plugins/_plugins---image_album_statistics.php.html

Thank you Acrylian for your suggestion. I made a copy of template-functions.php in the folder of my index. I changed "WEBPATH" in "fotografia" (the name of my folder) and "ZENFOLDER" in "/template-functions.php".
Can you tell me, please, how to insert the code

$randomImage = getRandomImages();
$randomImageURL = getURL($randomImage);
echo "
';

in my home page?
I'm a beginners and I know very very little of php ;-P
thanks, thanks a lot

I don't think you understood the zenphoto-as-plugin post. You cannot take parts of zenphoto and place them somewhere and expect them to work. Zenphoto is a complete set of scripts that all depend on one-another.

The zenphoto-as-plugin post describes how to link a page that is not in the zenphoto folders to zenphoto.