def:
Things/Plant/poplartree/barepoplartree
Folder:
Things/Plant/poplartree/barepoplartree_leafless.png
wtf
It stopped working. (it works partially)
Edit 2:
I literally can't figure it out. You win, Tynan.
Works again:
<texPath>Things/Plant/oaktree/oaktree</texPath>
<graphicClass>Graphic_Single</graphicClass>
<leaflessGraphicPath>Things/Plant/oaktree/oaktree_leafless</leaflessGraphicPath>
And folder of Things/Plant/oaktree/oaktree_leafless.png
Why that didn't work originally, only God knows.