Nice job. Don't sweat the scape. You'll change it about 500 times over the next couple of months .
The yellow/gold that you questioned as a sponge looks like a gorgorian. The green bubbles look like the remnants of a green sponge.
The yellow/gold that you questioned as a sponge looks like a gorgorian. The green bubbles look like the remnants of a green sponge.