check the level both from top to bottom as well as side to side. if you need to make adjustments you can use craft sticks placed either under the jars or on top. if you place them on top between the jar and canvas, be aware that when the paint dries they can stick to the underside of your canvas. once the canvas is determined to be level, apply dark turquoise paint to act as a base layer which will allow your paint to slide more easily and smoothly when you begin tilting. i like to apply it around the edges first so i can cover the wrapped sides. i 