Original image

step 1 of 6

step 2 of 6

step 3 of 6
add a shadow and pull and distort to match the shadow above (add a green haze to the shadow and blend with opacity)

step 4 of 6

step 5 of 6
(You can draw your own circle and burn if you want, I just find it easier to just use spheres I've made before and just tilt them to where the shadow should be)
Impact font for the numbers

step 6 of 6
place the balls at random with shadows
(Make sure the balls are UNDER the large shadow for proper effect)

Final result

