Steam Ballons and Steam Airships
One of the stories in Steampunk Tales #2 involves zombies and steam airships. Frankly, I found the steam airship highly implausible and chalked it up to the general obsession with steam and steam power that we steampunks seem to be infected with.
However, it seems I am seriously mistaken! Not only is the idea of a steam filled airship entirely plausible, it has been actually tested! Read more at The Flying Kettle Project homepage!