http://i.imgur.com/elqml3q.jpg
This thing took me far longer than it had any right to. First I had to recolour the texture for the plant itself, since the background wasn't index 255, then I had to figure out which format TexMex felt like importing today (please tell me there's something better than TexMex), then I had to edit the texture again because it was really tall and dumb, followed by reimporting it again.
Then I set it up in the map so that it looked like a decent plant in-game. Then the real fun started!
To build a decent shaped potplant pot in TB I first had to find a
crash bug in the CSG tools, followed by trying to figure out how to work around it. Then I had to copy it back into my actual map, try and select
all the tiny brush fragments I ended up with, group them, align them with the base of the pot, texture them and then spend another few minutes getting the plant itself to line up in the center...
Finally, I have a really ugly potplant pot and a decent-ish plant! This is really how I wanted to spend my evening mapping.