gistfile1.lua

local function fire()
local beam = {}

for i = 1, 20 do 
  
--Have used circle, but if you use a blurry yellow glow, it would look more like a fire

beam[i] = display.newCircle(0,0,3.5) --display.newImage("glow4.png")--

beam[i].x, beam[i].y = math.random(100,200) , 500
beam[i].alpha = 0.5
beam[i].trans = transition.to(beam[i], { x = math.random(100,200), y = math.random (300, 400), alpha = 0.1, time = math.random(1000, 1200), delay = 100,  onComplete = function() if beam[i] then beam[i]:removeSelf() end end })
end
end
timer.performWithDelay(200, fire, -1)