After a good coding session, I've completed version 1 of the Microplop.com Feed App.
This is it's main canvas page:
As you can see, the layout is not completely polished, but it does the job quite nicely at the moment.
Here is a use of FBML, the Facebook markup language:
Tacky, I know.
Here is the settings page.
This is where the true desiging comes in: Left nav canvas.
This appears in the profiles of the users who add the application.
… and so do this – the wide nav canvas.
I will soon release this as a Movable Type plugin, so that blog owners can install it on their webserver, and have a permanent presence on Facebook.