Id suggest having strong sides and a sandy middle. two similarly sized pieces of driftwood on each side with the fake plants bunched around them on the bottom. then I'd start thinking about the lighting, the blue strip just doesnt do it for me and kinda blends all of the colors of the tank together. Id get some sort of light bulb that is in the "natural sunlight" range, between 4500K and 10000K. This will allow all of the decorations to reflect their own respective colors and you can play around with the contrast of the greens of the plants and the browns of the driftwood and stones better.