Andy, it's nice to know that you have waterproof balls ! I am sure that they work well.
Thats hilarious.
If I'm taking stuff with me...you cant beat a strip of newspaper rolled up with candle shavings in it. Burns long, produces big flames. Possibly more suited for camping out of your truck than camping out of your altoids tin tho. I make it sorta 3" length X 0.5" diameter.