Badge Grabber is the best way to get badges on IMVU.
This program runs in the background and just searches to find you new badges and attempts to grant you them. This is all done automatically, all you need to do is login with your IMVU account on it and done.
-- FAQ --
What are badges?
Badge are a way to express your self on IMVU, users create the badges and then put them up for autogrant/non-grantable...
So why Badge Grabber?
The problem with badges is the fact there not openly available to all users on IMVU as there not really advertised and any way to get them is by loading peoples custom profiles which can be bloated and slow.