Michael,
I followed all of the directions for installing Flex Page (on my test environment on Windows XP, including selecting "Notification" so it updates the databases. I've even included the "lang" folder from the version that was made for 1.8, as it was missing from the newest plugin for 1.9.* A custom theme is not an issue at this point because I have not changed the default Moodle theme to a custom theme, so that is not the problem. I'm using Moodle 1.9.3. Then I tried two things:
1. Using an existing course, set the course format to the "Page" format successfully, and created a page. The course menu works fine, but the tabs don't work (probably because I can't change the theme. It would not allow access to the course settings function once this was done. Seems the only way to get this function back is to not allow themes to be changed on the course or user level (site admin settings).
2. Tried creating a new course, but it would not allow me to add a new course while the theme settings are as they are (allow user or course themes).
It's probably just a simple thing like a php file somewhere requiring a change, so that Moodle can access the flex_rooms theme that comes with Flex Page, but I wouldn't know. If you haven't experienced any of these issues on a server, then maybe it might have something to do with the differences in path names (windows vs linux environment). Not sure if anyone has tried Flex Page on a windows system yet. I'd really like to resolve this. I am a designer and I really like Flex Page, particularly the course menu.
Colette Glazebrook
NS Dept of Education