Well, I built the first backyard basin and got some spaces planted. Digging is terrible in this ground but I managed to get a pretty decent hole. Measurements are 78"x36"x8". I used MGOPM and pea pebbles to cap. Plants so far are Ludwigia Repens, Myrio Filigree, Mayaca Fluviatilis, rotala rotundifolia, hygrophila polysperma, limnophila aromatica, bacopa caroliniana, and some pennywort. I will be adding some lobelia cardinalis and have a good amount of space left for others. So if you have any ideas toss em out there.
Oh and a picture of a flowering bacopa caroliniana.