Attached Link: http://website.lineone.net/~netscribes/plants.sit

I think the biggest points of fall down at this point are 1) the spot looks unrealistic 2) the background somhow doesn't look right to me. Suggested improvements:- 1) if the spot settings are still as shown in the previous thread, I would, back off the edge softness and soft shadows, this is greying out the whole thing and messing with the gradient. Up the brightness, and then change the start tone of the gradient to get the colour you want in the volume. What is going on with the procedural gel? it doesn't appear to be having much effect. 2) get rid of the fog and haze and put in place several volumetric slabs, play with textures to give more depth. 3) as stated elsewhere, play with the foreground plants, If you want some aquarium plant freebies there are some of mine at the attached link with texture maps. (You will need stuffit for PC (free) or similar to unpack them) 4) consider lightly overlaying/adding a living room image in the diffuse or ambient channel of the submarine glass as though it's foreground is picking up the fishtank, but the background is still deep ocean

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Toolset: Blender, GIMP, Indigo Render, LuxRender, TopMod, Knotplot, Ivy Gen, Plant Studio.