Well to start with you could load up a sphere and colour it blue. Load up another but make it a bit bigger. Only this time apply a lightning picture to it (There are some in the Freestuff section)(make sure you assign it as 'spherical' in your Materials Lab) Place the 2 spheres in the same place and see how you go from there....... Now I've given you a lot of clues here, but this should be enough for you to go on......

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...