Aquascaping Round 2 - 35 Long

Hi folks,
This is week 1 of my attempt to re-enter this hobby. It's been a few years and all previous attempts were as ambitious as they were disastrous. This time I'm trying to keep it simple and set more realistic expectations. So far, so good.
As a supplemental hobby (as if I need more hobbies), I picked up a DSLR for the first time. I'm hoping my aquascaping and photography will progress in step. This is step 1:

I already see things I wish I had done differently. Is it best to address my mistakes now or be patient and see it through? Update in about a week!