What to use for background?

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Originally Posted by Vagabond

If you think you might go with this, let me know and I will give you some helpful hints on how to best apply it.

I'd be interested myself so if you can post your hints here, that'd be great!! I'm wondering how nicely the background comes off. I would like to change the bgks on my tank without evidence of it when I upgrade and sell the tank. Does it come off cleanly?