Align Bottom Right

main.lua

--Change the reference point of the object
myObject:setReferencePoint(display.BottomRightReferencePoint)

--This will add a buffer of half the objects width, if you want it flush with the
--right, change it to myObject.x=display.contentWidth
myObject.x=display.contentWidth - myObject.contentWidth/2

--This will add a vertical buffer of half the object's height, if you want it flush with the
--bottom, change it to myobject.y=display.contentHeight
myObject.y=display.contentHeight - myObject.contentHeight/2