I feed sparingly. Typically everything gets eaten and any leftovers should get taken care of through my water changes.
I think it would look better with less rocks although I like how you blended the plants in.
I like it but would worry about excess food accumulating in the rock formations.
So, I've been pretty stagnant lately with my setups, a few months ago I mostly tore down my 29g with the intent of rescaping it. I got some rocks in there