Hi. I have some white lines at the top of my image alpha (leaves). How do I resolve this? My image texture seems fine and dandy, I have absolutely no idea what the problem is.
This is the result of texture bleed from mipmaps. The surrounding pixels of your leaves should be a similar green instead of white. See this wiki page.
This is actually your texture bleeding through from the bottom due to a slight vertical tile. Pull the UV verts down about four to six pixels and export again - that should clear it right up.
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