So alpha channel transparency in tga's seems to be the standard, and i found a tutorial that explains it okay [ame] http://www.youtube.com/watch?v=li5AWYxIurw[/ame] but this tutorial lacks a major thing i need, if i'm making something in photoshop, over a transparent background, with semi transparent edges (with tablet)…
Hide any layers that you don't want to be a part of your alpha (anything that isn't transparent, like the Background layer) and press Ctrl Shift Alt E. This will make a new layer that has everything visible in it. Ctrl-click the layer thumbnail to make its alpha into a selection, then make a new Alpha channel with it. Just…