Ice houses made from truck sleepers, fishing shanty pictures

I am still looking for ideas on building a new icehouse. Here are some of my favorite designs, and they reuse truck sleepers, which is really innovative.  The sleeper already have doors, and look to be very easy to convert into ice houses.  I have found a few on craigslist in this area for cheap $50-$200, by doing a search for "truck sleepers":

truck sleeper ice house