Test

local halfW = display.contentWidth * 0.5
local halfH = display.contentHeight * 0.5

local vertices = { 0,-110, 27,-35, 105,-35, 43,16, 65,90, 0,45, -65,90, -43,15, -105,-35, -27,-35, }

local o = display.newPolygon( halfW, halfH, vertices )
o.fill = { type="image", filename="mountains.png" }
o.strokeWidth = 10
o:setStrokeColor( 1, 0, 0 )

o.rotation = math.random(360)
local dr = math.random( 1, 4 )
    o.dr = dr
    if ( math.random() < 0.5 ) then
        o.dr = -dr
    end

table.insert( o, o )
    --table.insert( stars, myStar )
    function o:enterFrame( event )

    for i,v in ipairs( self ) do
        v.rotation = v.rotation+ v.dr
    end
end
Runtime:addEventListener( "enterFrame", o )