Hmm, I think Dichondra is considered an invasive around here... another thought though. Presently I'm looking at creeping thyme and some other low-growing herbs.
I'd love to replant my whole yard as a bog bianchi, but the idea is that I'm poor and I'm trying to grow a vegetable garden so I can save some money and focus on my student loan payments later on this year. I'm trying to convince my landlord to let me put in a pond + water fixture and take the cost of parts off my rent, but I haven't quite gotten him to bite yet. Soon though... I'm wearing him down. If the yard looks nice over the summer, I'm sure I can convince him to fund a few of my more elaborate projects.