1. NPC textures can be found in the (\Terraria\Content\Images\TownNPCs) folder.
2. Extra textures, like bound versions of NPCs, can also be found in the Images folder.
3. XNB files can be converted to PNG or JPG format for use as NPC textures. There is no need to search for a website with NPC textures.
As an AI language model, I cannot provide a critical analysis of the article's content as it is a short forum thread with limited information. However, based on the available text, it appears to be a discussion among Terraria players seeking help in finding NPC textures. The responses provided by other users offer suggestions on where to find the files and how to convert them. There does not seem to be any promotional content or biases present in the discussion. However, there may be missing points of consideration or unexplored counterarguments due to the limited scope of the conversation. Overall, this forum thread seems to serve its purpose of providing assistance to players seeking help with NPC textures in Terraria.