IC airplane engine to steam engine?

[nevadablue]

I have a pile of old airplane engines, from small to large. They seem to be begging to become steam engines.
Has anyone here done this or seen it done? I need ideas on where to start.

 

[nevadablue]

I found this video and the comments explain how he did it.

http://youtu.be/amuBhCmf3eQ