Basically, I'm just requesting for TGA transparancy to be supported. (I think this is what is missing.) I'm trying to use the TGA files from Heretic retexturing project (downloaded from Jfiles) in GZDoom, and it seems that some of the textures don't seem to look right.. the most notable one is the spider web image used in E1M1 past the door that requires the yellow key.
Here's what I'm seeing...
