flamethrower_swep.zip

This download looks like a lua file. You need to place it in your lua folder inside the Garry's Mod folder.

You should end up with a directory structure similar to below:

• steamapps
  • common
    • garrysmod
      • garrysmod
        • lua
          • autorun
            • particletrace.lua
            • weapons/
              • weapon_flamethrower/
                • shared.lua
            • effects/
              • explosion_large/
                • init.lua
              • flamepuffs/
                • init.lua
              • gaspuffs/
                • init.lua
              • immolate/
                • init.lua
            • entities/
              • sent_firecontroller/
                • cl_init.lua
                • init.lua
                • shared.lua
              • sent_traceparticle/
                • cl_init.lua
                • init.lua
                • shared.lua

• particletrace.lua
• weapons/
  • weapon_flamethrower/
    • shared.lua
• effects/
  • explosion_large/
    • init.lua
  • flamepuffs/
    • init.lua
  • gaspuffs/
    • init.lua
  • immolate/
    • init.lua
• entities/
  • sent_firecontroller/
    • cl_init.lua
    • init.lua
    • shared.lua
  • sent_traceparticle/
    • cl_init.lua
    • init.lua
    • shared.lua

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