WPG2 Plugin

I’m trying to install Gallery 2 plugin for wordpress. I have read the other posts and am not quite sure what I need to change. Here is my normal gallery page.

http://iowabeef.net/gallery2/main.php

Here is the embedded page in WP.

http://www.iowabeef.net/wp-gallery2.php

The thumbnails or the fullsize pics don’t show up in the embedded version. My understanding is that it is something to do with the URL rewrite. I’ve downloaded and ran this file wpg2rewritepaths.php, to determine these paths but how do I access the admin page from the WPG2 plug-in page per these instructions – http://wpg2.ozgreg.com/index.php/Plug-in_Gallery_URL_Rewrites

Thanks for the help.