The text below is exactly what appears under the plugin description of the plugin:
Ah - I must have been feeling particularly stupid yesterday. I guess I am just so used to calling it by it's full title that without the word 'blog' in front of it I didn't immediately recognise what you were referring to!
So the answer is yes - when you set the plugin up in the forum admin it allows you to select which post types you want it to work with. When you make a blog post - you can then select which fora to create the new topic in if you do not wish to use the default you will have set.