First this isn't a tutorial, and should be in the modding questions forum. Second to answer your question, the file is not a tga file, but a dds file, and as such you need the dds plugin in order to be able to edit it.
First this isn't a tutorial, and should be in the modding questions forum. Second to answer your question, the file is not a tga file, but a dds file, and as such you need the dds plugin in order to be able to edit it.
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