Robert - Awww, spare the lake!
One thing I hate is that the game added cool little bushes and clumps of weeds. But apparently they only appear on new worlds. Not ones that existed in 1.5. I ended up generating a new world, and they look great.
"The way I see it, every life is a pile of good things and bad things. The good things don't always soften the bad things. But vice versa, the bad things don't necessarily spoil the good things or make them unimportant."