Page Turn in Cinema4D controlled with Xpresso

This is a problem I was presented with this week. A small animation to show a page turn for a virtual book. The actual final piece has gone into an after effects project and composited for use in a flash portion of a website. Unfortunately I cant show the final versions because its for a client and yet to be launched. Here is an example of what I have created:

[vimeo width="590" height="332"]http://www.vimeo.com/13310306[/vimeo]

There are a few way to achieve this really. One would be to use the