ERROR - Cannot find Gallery?

I recently added the integration to my phpbb site, but I don't know what to do next.

I think I need to get a gallery and connect them?
But I'm not sure.

The error I'm getting is:

Warning: main(./modules/gallery/index.php): failed to open stream: No such file or directory in /home/bstein/public_html/cafe/modules.php on line 58

Warning: main(): Failed opening './modules/gallery/index.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/bstein/public_html/cafe/modules.php on line 58

Thank you for your help.

Some of the following information might help you determine what it is I've done, and what it is I have left to do.

I downloaded the file from here:
http://www.snailsource.com/forum/viewtopic.php?t=1425

Looking at the file now:

Zip name: Gallery.zip

Unzipped Foldert: gallery_phpbb

Next folder: 1.4.3

Modules --> Gallery --> add_comment.php, slideshow.php etc.

Templates --> subSilver --> overall_header_GALLERY.tpl

readme.txt
edit_phpbb2.txt
sql_install.php
modules.php

The above was installed to the server.
www.bcworld.org or http://www.bcworld.org/cafe/modules.php?op=modload&name=gallery&file=index&sid=3b389f49e4daafe477fd23f2e029e73d

Moving to Other Apps.