[Anonymous412]

I just did a Google image search because I was curious to see other conversions. I found this one with a wood stove for heating...

http://i.imgur.com/MLwif7M.jpg

[fnordfnordfnord]

This is probably the finest example I have ever seen. http://www.ourodyssey.us/index.html

Of course, not everyone even wants something that fancy, there are a lot of more utilitarian designs that are done quite well too.