UPDATE: OK, I have found the culprit.

I realize now that when you said to check the values on the map, I needed to do it not just for the alpha, but *especially* for the original image. The...

Thanks for the suggestion. I went into Photoshop to check my alpha and got my hopes up when I realized that the black area had a value of 1 in RGB. I realized that I needed to save as a higher...

Did you find a solution to this? I'm having the same issue.

I have an image file of a "moon" textured to a plane, with a mask in the transparency. The idea is to only see a round moon but when I...