A: Once you have selected at least one Facebook account on the right, below the composer
you will see a bunch of buttons. The first one is the Media Options button. This is the one you need.
There you will be able to select an existing album other from the Timeline photos, or create a new one altogether.
It also gives you the option to watermark your photos with your own logo.
While we're working on a comprehensive tutorial, take look at the following