Hi Billaney
Tanks look great . It's not important what we think of it, but what you think of it - after all you are the one who has to live with it ....
From a judges point of view, consider how things grow naturally - most of your plants would normally grow in dense bunches. As they grow (or you aquire more) you may wish to try this and see if it suits your ideas. Also you may wish to try landscaping - slope the gravel to make the tank appear to disappear into the distance, or use terracing to create different heights in the tank. A lot will depend on what you wish the viewer to focus on, your plant, a great piece of driftwood, your rockwork, the fish, or the flow of the tank as a whole. Whatever you decide, if the pictures are any indicator - its going to look great.
If you need other ideas - check out Takashi Amano on the net - he creates awesome designs.