Thanks, Burt! That was exactly what I needed! I’ve the the author profile information displaying on a blog post, now.
I’ve got to say I’m a bit surprised that there aren’t more widgets/plugins that enable admins to use BP information/data within WPMU blogs. The focus of extending/customizing seems to be primarily on the BP interface and features. Am I missing something? Or is this just not the focus of development, at this point?