Try clearing browser cache and re-getting it!
Sounds like (If you can on the local area network) but others can't on the wan side - it's your portforwards! :)
There are recommended builds, a snapshot and a thread telling you about it at: http://forums.bukkit.org/threads/introducing-recommended-builds.5137/
I tried out this plugin - The only issues I've found is that soul sand doesn't work in Earth (Bukkit Bug I guess) and that Ghasts can be heard...
Keep in mind I did get it working by adding them under users in the permissions yml, like I quoted - Works perfectly that way!
As stated in earlier posts, I'm afraid you need the correct plugin for this, for groups to work. Plugins needs to be able to talk with eachother,...
Are you using Permissions 2.5 (Phoenix) ?,...
I got 9-12 active people on my server, but only 2 listed on my stats page, two of whom are in the Admins group. I have 2 people in my admins group...
Separate names with a comma.