I can't show you any pics as my Coke tank is in the plane. I'll try to describe what I did as best as I can....

Buy a BVM metal fuel tank fitting set with the metal cap. Enlarge the Coke bottle top so that the stopper will just slide though the opening. (Use the stopper for kero) I opened up my bottle cap with a Dremel tool. Screw on the cap as tightly as you can. Tighten the allen head screw on the BVM metal cap and you are done!!! Of course you must do your plumbing in the tank first. Also, be sure to use a section of brass tubing inside of the tank on the suction line to keep the line from reversing itself inside of the tank. I also modified the BVM cap by drilling out the smaller vent hole in the cap to accept the same size (larger) tubing as the suction side. So far, after a year of flying...No leaks!!!

Kevin