Huntsman22: Our Elk camp has that exact same stove!
We use a stainless steel side tank on it that attaches to one side and fills with about 3 or 4 gallons of water.
It adds an amazing amount of heat to our wall tent and the availability of hot/boiling water is fantastic at our remote campsite.
We also added, a couple years ago, a "warming platform" on the other side that attaches to the studs that I see on your stove - that is very handy as well.
I hope you can get after the Elk this season.
Hold into the wind
VarmintGuy
